Home / 153,145.77-211,310.17-89,471.26

Finding the Fourth Proportional to 153,145.77, 211,310.17 and 89,471.26

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Solution

The fourth proportional to 153,145.77, 211,310.17 and 89,471.26 is: 123,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,145.77 : 211,310.17 = 89,471.26 : x
  2. Step 2: Convert to fraction form
    153,145.77/211,310.17 = 89,471.26/x
  3. Step 3: Cross multiply
    153,145.77x = 211,310.17 × 89,471.26
  4. Step 4: Simplify right side
    153,145.77x = 18,906,187,160.71
  5. Step 5: Solve for x
    x = 18,906,187,160.71/153,145.77
  6. Step 6: Final answer
    x = 123,452.23

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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.