Home / 94,142.34-129,918.68-51,701.78

Finding the Fourth Proportional to 94,142.34, 129,918.68 and 51,701.78

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Solution

The fourth proportional to 94,142.34, 129,918.68 and 51,701.78 is: 71,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,142.34 : 129,918.68 = 51,701.78 : x
  2. Step 2: Convert to fraction form
    94,142.34/129,918.68 = 51,701.78/x
  3. Step 3: Cross multiply
    94,142.34x = 129,918.68 × 51,701.78
  4. Step 4: Simplify right side
    94,142.34x = 6,717,026,103.15
  5. Step 5: Solve for x
    x = 6,717,026,103.15/94,142.34
  6. Step 6: Final answer
    x = 71,349.68

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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.