Home / 94,192.74-129,988.29-51,172.20

Finding the Fourth Proportional to 94,192.74, 129,988.29 and 51,172.20

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Solution

The fourth proportional to 94,192.74, 129,988.29 and 51,172.20 is: 70,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,192.74 : 129,988.29 = 51,172.20 : x
  2. Step 2: Convert to fraction form
    94,192.74/129,988.29 = 51,172.20/x
  3. Step 3: Cross multiply
    94,192.74x = 129,988.29 × 51,172.20
  4. Step 4: Simplify right side
    94,192.74x = 6,651,786,773.54
  5. Step 5: Solve for x
    x = 6,651,786,773.54/94,192.74
  6. Step 6: Final answer
    x = 70,618.89

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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.