Home / 159,862.12-220,609.76-88,242.17

Finding the Fourth Proportional to 159,862.12, 220,609.76 and 88,242.17

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Solution

The fourth proportional to 159,862.12, 220,609.76 and 88,242.17 is: 121,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,862.12 : 220,609.76 = 88,242.17 : x
  2. Step 2: Convert to fraction form
    159,862.12/220,609.76 = 88,242.17/x
  3. Step 3: Cross multiply
    159,862.12x = 220,609.76 × 88,242.17
  4. Step 4: Simplify right side
    159,862.12x = 19,467,082,401.32
  5. Step 5: Solve for x
    x = 19,467,082,401.32/159,862.12
  6. Step 6: Final answer
    x = 121,774.21

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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.