Home / 95,875.42-144,330.97-86,230.78

Finding the Fourth Proportional to 95,875.42, 144,330.97 and 86,230.78

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Solution

The fourth proportional to 95,875.42, 144,330.97 and 86,230.78 is: 129,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,875.42 : 144,330.97 = 86,230.78 : x
  2. Step 2: Convert to fraction form
    95,875.42/144,330.97 = 86,230.78/x
  3. Step 3: Cross multiply
    95,875.42x = 144,330.97 × 86,230.78
  4. Step 4: Simplify right side
    95,875.42x = 12,445,772,121.26
  5. Step 5: Solve for x
    x = 12,445,772,121.26/95,875.42
  6. Step 6: Final answer
    x = 129,811.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.