Home / 102,481.40-141,490.13-64,293.28

Finding the Fourth Proportional to 102,481.40, 141,490.13 and 64,293.28

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Solution

The fourth proportional to 102,481.40, 141,490.13 and 64,293.28 is: 88,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,481.40 : 141,490.13 = 64,293.28 : x
  2. Step 2: Convert to fraction form
    102,481.40/141,490.13 = 64,293.28/x
  3. Step 3: Cross multiply
    102,481.40x = 141,490.13 × 64,293.28
  4. Step 4: Simplify right side
    102,481.40x = 9,096,863,870.13
  5. Step 5: Solve for x
    x = 9,096,863,870.13/102,481.40
  6. Step 6: Final answer
    x = 88,766.00

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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.