Home / 143,592.38-215,194.46-103,679.62

Finding the Fourth Proportional to 143,592.38, 215,194.46 and 103,679.62

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Solution

The fourth proportional to 143,592.38, 215,194.46 and 103,679.62 is: 155,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,592.38 : 215,194.46 = 103,679.62 : x
  2. Step 2: Convert to fraction form
    143,592.38/215,194.46 = 103,679.62/x
  3. Step 3: Cross multiply
    143,592.38x = 215,194.46 × 103,679.62
  4. Step 4: Simplify right side
    143,592.38x = 22,311,279,838.91
  5. Step 5: Solve for x
    x = 22,311,279,838.91/143,592.38
  6. Step 6: Final answer
    x = 155,379.27

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1.5x scale

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.