Home / 95,024.43-142,438.23-78,207.77

Finding the Fourth Proportional to 95,024.43, 142,438.23 and 78,207.77

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Solution

The fourth proportional to 95,024.43, 142,438.23 and 78,207.77 is: 117,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,024.43 : 142,438.23 = 78,207.77 : x
  2. Step 2: Convert to fraction form
    95,024.43/142,438.23 = 78,207.77/x
  3. Step 3: Cross multiply
    95,024.43x = 142,438.23 × 78,207.77
  4. Step 4: Simplify right side
    95,024.43x = 11,139,775,520.65
  5. Step 5: Solve for x
    x = 11,139,775,520.65/95,024.43
  6. Step 6: Final answer
    x = 117,230.65

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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.