Home / 102,388.18-153,603.15-58,034.74

Finding the Fourth Proportional to 102,388.18, 153,603.15 and 58,034.74

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Solution

The fourth proportional to 102,388.18, 153,603.15 and 58,034.74 is: 87,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,388.18 : 153,603.15 = 58,034.74 : x
  2. Step 2: Convert to fraction form
    102,388.18/153,603.15 = 58,034.74/x
  3. Step 3: Cross multiply
    102,388.18x = 153,603.15 × 58,034.74
  4. Step 4: Simplify right side
    102,388.18x = 8,914,318,873.43
  5. Step 5: Solve for x
    x = 8,914,318,873.43/102,388.18
  6. Step 6: Final answer
    x = 87,063.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.