Home / 100,545.90-150,816.41-25,666.66

Finding the Fourth Proportional to 100,545.90, 150,816.41 and 25,666.66

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Solution

The fourth proportional to 100,545.90, 150,816.41 and 25,666.66 is: 38,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,545.90 : 150,816.41 = 25,666.66 : x
  2. Step 2: Convert to fraction form
    100,545.90/150,816.41 = 25,666.66/x
  3. Step 3: Cross multiply
    100,545.90x = 150,816.41 × 25,666.66
  4. Step 4: Simplify right side
    100,545.90x = 3,870,953,517.89
  5. Step 5: Solve for x
    x = 3,870,953,517.89/100,545.90
  6. Step 6: Final answer
    x = 38,499.37

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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.