Home / 130,279.68-195,276.15-85,246.92

Finding the Fourth Proportional to 130,279.68, 195,276.15 and 85,246.92

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Solution

The fourth proportional to 130,279.68, 195,276.15 and 85,246.92 is: 127,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,279.68 : 195,276.15 = 85,246.92 : x
  2. Step 2: Convert to fraction form
    130,279.68/195,276.15 = 85,246.92/x
  3. Step 3: Cross multiply
    130,279.68x = 195,276.15 × 85,246.92
  4. Step 4: Simplify right side
    130,279.68x = 16,646,690,336.96
  5. Step 5: Solve for x
    x = 16,646,690,336.96/130,279.68
  6. Step 6: Final answer
    x = 127,776.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.