Home / 134,930.59-186,207.15-74,505.07

Finding the Fourth Proportional to 134,930.59, 186,207.15 and 74,505.07

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Solution

The fourth proportional to 134,930.59, 186,207.15 and 74,505.07 is: 102,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,930.59 : 186,207.15 = 74,505.07 : x
  2. Step 2: Convert to fraction form
    134,930.59/186,207.15 = 74,505.07/x
  3. Step 3: Cross multiply
    134,930.59x = 186,207.15 × 74,505.07
  4. Step 4: Simplify right side
    134,930.59x = 13,873,376,745.25
  5. Step 5: Solve for x
    x = 13,873,376,745.25/134,930.59
  6. Step 6: Final answer
    x = 102,818.62

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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.