Home / 165,000.68-227,699.60-89,549.20

Finding the Fourth Proportional to 165,000.68, 227,699.60 and 89,549.20

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Solution

The fourth proportional to 165,000.68, 227,699.60 and 89,549.20 is: 123,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,000.68 : 227,699.60 = 89,549.20 : x
  2. Step 2: Convert to fraction form
    165,000.68/227,699.60 = 89,549.20/x
  3. Step 3: Cross multiply
    165,000.68x = 227,699.60 × 89,549.20
  4. Step 4: Simplify right side
    165,000.68x = 20,390,317,020.32
  5. Step 5: Solve for x
    x = 20,390,317,020.32/165,000.68
  6. Step 6: Final answer
    x = 123,577.17

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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.