Home / 95,037.30-143,209.62-78,763.59

Finding the Fourth Proportional to 95,037.30, 143,209.62 and 78,763.59

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Solution

The fourth proportional to 95,037.30, 143,209.62 and 78,763.59 is: 118,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,037.30 : 143,209.62 = 78,763.59 : x
  2. Step 2: Convert to fraction form
    95,037.30/143,209.62 = 78,763.59/x
  3. Step 3: Cross multiply
    95,037.30x = 143,209.62 × 78,763.59
  4. Step 4: Simplify right side
    95,037.30x = 11,279,703,793.74
  5. Step 5: Solve for x
    x = 11,279,703,793.74/95,037.30
  6. Step 6: Final answer
    x = 118,687.12

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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.