Home / 94,196.72-129,988.86-51,755.24

Finding the Fourth Proportional to 94,196.72, 129,988.86 and 51,755.24

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Solution

The fourth proportional to 94,196.72, 129,988.86 and 51,755.24 is: 71,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,196.72 : 129,988.86 = 51,755.24 : x
  2. Step 2: Convert to fraction form
    94,196.72/129,988.86 = 51,755.24/x
  3. Step 3: Cross multiply
    94,196.72x = 129,988.86 × 51,755.24
  4. Step 4: Simplify right side
    94,196.72x = 6,727,604,646.63
  5. Step 5: Solve for x
    x = 6,727,604,646.63/94,196.72
  6. Step 6: Final answer
    x = 71,420.80

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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.