Home / 94,189.73-129,981.31-51,168.88

Finding the Fourth Proportional to 94,189.73, 129,981.31 and 51,168.88

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Solution

The fourth proportional to 94,189.73, 129,981.31 and 51,168.88 is: 70,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,189.73 : 129,981.31 = 51,168.88 : x
  2. Step 2: Convert to fraction form
    94,189.73/129,981.31 = 51,168.88/x
  3. Step 3: Cross multiply
    94,189.73x = 129,981.31 × 51,168.88
  4. Step 4: Simplify right side
    94,189.73x = 6,650,998,376.01
  5. Step 5: Solve for x
    x = 6,650,998,376.01/94,189.73
  6. Step 6: Final answer
    x = 70,612.78

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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.