Home / 155,132.64-214,082.92-88,064.64

Finding the Fourth Proportional to 155,132.64, 214,082.92 and 88,064.64

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Solution

The fourth proportional to 155,132.64, 214,082.92 and 88,064.64 is: 121,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,132.64 : 214,082.92 = 88,064.64 : x
  2. Step 2: Convert to fraction form
    155,132.64/214,082.92 = 88,064.64/x
  3. Step 3: Cross multiply
    155,132.64x = 214,082.92 × 88,064.64
  4. Step 4: Simplify right side
    155,132.64x = 18,853,135,279.95
  5. Step 5: Solve for x
    x = 18,853,135,279.95/155,132.64
  6. Step 6: Final answer
    x = 121,529.13

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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.