Home / 113,293.75-169,612.57-85,331.59

Finding the Fourth Proportional to 113,293.75, 169,612.57 and 85,331.59

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Solution

The fourth proportional to 113,293.75, 169,612.57 and 85,331.59 is: 127,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,293.75 : 169,612.57 = 85,331.59 : x
  2. Step 2: Convert to fraction form
    113,293.75/169,612.57 = 85,331.59/x
  3. Step 3: Cross multiply
    113,293.75x = 169,612.57 × 85,331.59
  4. Step 4: Simplify right side
    113,293.75x = 14,473,310,282.09
  5. Step 5: Solve for x
    x = 14,473,310,282.09/113,293.75
  6. Step 6: Final answer
    x = 127,750.30

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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.