Home / 94,246.43-129,938.79-77,187.83

Finding the Fourth Proportional to 94,246.43, 129,938.79 and 77,187.83

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Solution

The fourth proportional to 94,246.43, 129,938.79 and 77,187.83 is: 106,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,246.43 : 129,938.79 = 77,187.83 : x
  2. Step 2: Convert to fraction form
    94,246.43/129,938.79 = 77,187.83/x
  3. Step 3: Cross multiply
    94,246.43x = 129,938.79 × 77,187.83
  4. Step 4: Simplify right side
    94,246.43x = 10,029,692,583.23
  5. Step 5: Solve for x
    x = 10,029,692,583.23/94,246.43
  6. Step 6: Final answer
    x = 106,419.87

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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.