Home / 102,350.66-141,254.30-57,036.02

Finding the Fourth Proportional to 102,350.66, 141,254.30 and 57,036.02

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Solution

The fourth proportional to 102,350.66, 141,254.30 and 57,036.02 is: 78,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,350.66 : 141,254.30 = 57,036.02 : x
  2. Step 2: Convert to fraction form
    102,350.66/141,254.30 = 57,036.02/x
  3. Step 3: Cross multiply
    102,350.66x = 141,254.30 × 57,036.02
  4. Step 4: Simplify right side
    102,350.66x = 8,056,583,575.61
  5. Step 5: Solve for x
    x = 8,056,583,575.61/102,350.66
  6. Step 6: Final answer
    x = 78,715.50

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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.