Home / 145,239.92-217,833.96-38,624.48

Finding the Fourth Proportional to 145,239.92, 217,833.96 and 38,624.48

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Solution

The fourth proportional to 145,239.92, 217,833.96 and 38,624.48 is: 57,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,239.92 : 217,833.96 = 38,624.48 : x
  2. Step 2: Convert to fraction form
    145,239.92/217,833.96 = 38,624.48/x
  3. Step 3: Cross multiply
    145,239.92x = 217,833.96 × 38,624.48
  4. Step 4: Simplify right side
    145,239.92x = 8,413,723,431.34
  5. Step 5: Solve for x
    x = 8,413,723,431.34/145,239.92
  6. Step 6: Final answer
    x = 57,929.83

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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.