Home / 157,521.45-236,281.68-39,192.78

Finding the Fourth Proportional to 157,521.45, 236,281.68 and 39,192.78

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Solution

The fourth proportional to 157,521.45, 236,281.68 and 39,192.78 is: 58,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,521.45 : 236,281.68 = 39,192.78 : x
  2. Step 2: Convert to fraction form
    157,521.45/236,281.68 = 39,192.78/x
  3. Step 3: Cross multiply
    157,521.45x = 236,281.68 × 39,192.78
  4. Step 4: Simplify right side
    157,521.45x = 9,260,535,902.27
  5. Step 5: Solve for x
    x = 9,260,535,902.27/157,521.45
  6. Step 6: Final answer
    x = 58,789.05

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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.