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Finding the Fourth Proportional to 113,086.70, 169,630.05 and 29,980.70

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Solution

The fourth proportional to 113,086.70, 169,630.05 and 29,980.70 is: 44,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,086.70 : 169,630.05 = 29,980.70 : x
  2. Step 2: Convert to fraction form
    113,086.70/169,630.05 = 29,980.70/x
  3. Step 3: Cross multiply
    113,086.70x = 169,630.05 × 29,980.70
  4. Step 4: Simplify right side
    113,086.70x = 5,085,627,640.04
  5. Step 5: Solve for x
    x = 5,085,627,640.04/113,086.70
  6. Step 6: Final answer
    x = 44,971.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.