Home / 165,008.64-227,712.08-89,557.20

Finding the Fourth Proportional to 165,008.64, 227,712.08 and 89,557.20

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Solution

The fourth proportional to 165,008.64, 227,712.08 and 89,557.20 is: 123,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,008.64 : 227,712.08 = 89,557.20 : x
  2. Step 2: Convert to fraction form
    165,008.64/227,712.08 = 89,557.20/x
  3. Step 3: Cross multiply
    165,008.64x = 227,712.08 × 89,557.20
  4. Step 4: Simplify right side
    165,008.64x = 20,393,256,290.98
  5. Step 5: Solve for x
    x = 20,393,256,290.98/165,008.64
  6. Step 6: Final answer
    x = 123,589.02

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1.5x scale

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.