Home / 153,170.92-211,384.04-89,545.96

Finding the Fourth Proportional to 153,170.92, 211,384.04 and 89,545.96

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Solution

The fourth proportional to 153,170.92, 211,384.04 and 89,545.96 is: 123,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,170.92 : 211,384.04 = 89,545.96 : x
  2. Step 2: Convert to fraction form
    153,170.92/211,384.04 = 89,545.96/x
  3. Step 3: Cross multiply
    153,170.92x = 211,384.04 × 89,545.96
  4. Step 4: Simplify right side
    153,170.92x = 18,928,586,790.48
  5. Step 5: Solve for x
    x = 18,928,586,790.48/153,170.92
  6. Step 6: Final answer
    x = 123,578.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.