Home / 94,159.26-129,941.82-51,720.12

Finding the Fourth Proportional to 94,159.26, 129,941.82 and 51,720.12

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Solution

The fourth proportional to 94,159.26, 129,941.82 and 51,720.12 is: 71,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,159.26 : 129,941.82 = 51,720.12 : x
  2. Step 2: Convert to fraction form
    94,159.26/129,941.82 = 51,720.12/x
  3. Step 3: Cross multiply
    94,159.26x = 129,941.82 × 51,720.12
  4. Step 4: Simplify right side
    94,159.26x = 6,720,606,523.42
  5. Step 5: Solve for x
    x = 6,720,606,523.42/94,159.26
  6. Step 6: Final answer
    x = 71,374.89

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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.