Home / 239,918.31-359,545.10-90,007.56

Finding the Fourth Proportional to 239,918.31, 359,545.10 and 90,007.56

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Solution

The fourth proportional to 239,918.31, 359,545.10 and 90,007.56 is: 134,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,918.31 : 359,545.10 = 90,007.56 : x
  2. Step 2: Convert to fraction form
    239,918.31/359,545.10 = 90,007.56/x
  3. Step 3: Cross multiply
    239,918.31x = 359,545.10 × 90,007.56
  4. Step 4: Simplify right side
    239,918.31x = 32,361,776,710.92
  5. Step 5: Solve for x
    x = 32,361,776,710.92/239,918.31
  6. Step 6: Final answer
    x = 134,886.65

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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.