Home / 94,189.30-129,980.71-51,168.45

Finding the Fourth Proportional to 94,189.30, 129,980.71 and 51,168.45

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Solution

The fourth proportional to 94,189.30, 129,980.71 and 51,168.45 is: 70,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,189.30 : 129,980.71 = 51,168.45 : x
  2. Step 2: Convert to fraction form
    94,189.30/129,980.71 = 51,168.45/x
  3. Step 3: Cross multiply
    94,189.30x = 129,980.71 × 51,168.45
  4. Step 4: Simplify right side
    94,189.30x = 6,650,910,554.85
  5. Step 5: Solve for x
    x = 6,650,910,554.85/94,189.30
  6. Step 6: Final answer
    x = 70,612.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.