Home / 153,523.08-211,732.38-99,766.62

Finding the Fourth Proportional to 153,523.08, 211,732.38 and 99,766.62

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Solution

The fourth proportional to 153,523.08, 211,732.38 and 99,766.62 is: 137,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,523.08 : 211,732.38 = 99,766.62 : x
  2. Step 2: Convert to fraction form
    153,523.08/211,732.38 = 99,766.62/x
  3. Step 3: Cross multiply
    153,523.08x = 211,732.38 × 99,766.62
  4. Step 4: Simplify right side
    153,523.08x = 21,123,823,897.16
  5. Step 5: Solve for x
    x = 21,123,823,897.16/153,523.08
  6. Step 6: Final answer
    x = 137,593.80

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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.