Home / 143,555.85-215,175.21-59,269.55

Finding the Fourth Proportional to 143,555.85, 215,175.21 and 59,269.55

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Solution

The fourth proportional to 143,555.85, 215,175.21 and 59,269.55 is: 88,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,555.85 : 215,175.21 = 59,269.55 : x
  2. Step 2: Convert to fraction form
    143,555.85/215,175.21 = 59,269.55/x
  3. Step 3: Cross multiply
    143,555.85x = 215,175.21 × 59,269.55
  4. Step 4: Simplify right side
    143,555.85x = 12,753,336,791.98
  5. Step 5: Solve for x
    x = 12,753,336,791.98/143,555.85
  6. Step 6: Final answer
    x = 88,838.85

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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.