Home / 115,444.55-159,311.97-64,458.15

Finding the Fourth Proportional to 115,444.55, 159,311.97 and 64,458.15

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Solution

The fourth proportional to 115,444.55, 159,311.97 and 64,458.15 is: 88,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,444.55 : 159,311.97 = 64,458.15 : x
  2. Step 2: Convert to fraction form
    115,444.55/159,311.97 = 64,458.15/x
  3. Step 3: Cross multiply
    115,444.55x = 159,311.97 × 64,458.15
  4. Step 4: Simplify right side
    115,444.55x = 10,268,955,020.20
  5. Step 5: Solve for x
    x = 10,268,955,020.20/115,444.55
  6. Step 6: Final answer
    x = 88,951.40

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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.