Home / 102,343.76-141,233.87-57,018.95

Finding the Fourth Proportional to 102,343.76, 141,233.87 and 57,018.95

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Solution

The fourth proportional to 102,343.76, 141,233.87 and 57,018.95 is: 78,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,343.76 : 141,233.87 = 57,018.95 : x
  2. Step 2: Convert to fraction form
    102,343.76/141,233.87 = 57,018.95/x
  3. Step 3: Cross multiply
    102,343.76x = 141,233.87 × 57,018.95
  4. Step 4: Simplify right side
    102,343.76x = 8,053,005,980.57
  5. Step 5: Solve for x
    x = 8,053,005,980.57/102,343.76
  6. Step 6: Final answer
    x = 78,685.86

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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.