Home / 102,553.35-141,523.32-57,230.85

Finding the Fourth Proportional to 102,553.35, 141,523.32 and 57,230.85

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Solution

The fourth proportional to 102,553.35, 141,523.32 and 57,230.85 is: 78,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,553.35 : 141,523.32 = 57,230.85 : x
  2. Step 2: Convert to fraction form
    102,553.35/141,523.32 = 57,230.85/x
  3. Step 3: Cross multiply
    102,553.35x = 141,523.32 × 57,230.85
  4. Step 4: Simplify right side
    102,553.35x = 8,099,499,898.42
  5. Step 5: Solve for x
    x = 8,099,499,898.42/102,553.35
  6. Step 6: Final answer
    x = 78,978.40

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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.