Home / 143,613.66-215,404.04-38,440.83

Finding the Fourth Proportional to 143,613.66, 215,404.04 and 38,440.83

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Solution

The fourth proportional to 143,613.66, 215,404.04 and 38,440.83 is: 57,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,613.66 : 215,404.04 = 38,440.83 : x
  2. Step 2: Convert to fraction form
    143,613.66/215,404.04 = 38,440.83/x
  3. Step 3: Cross multiply
    143,613.66x = 215,404.04 × 38,440.83
  4. Step 4: Simplify right side
    143,613.66x = 8,280,309,890.75
  5. Step 5: Solve for x
    x = 8,280,309,890.75/143,613.66
  6. Step 6: Final answer
    x = 57,656.84

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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.