Home / 95,321.12-142,888.71-45,387.80

Finding the Fourth Proportional to 95,321.12, 142,888.71 and 45,387.80

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Solution

The fourth proportional to 95,321.12, 142,888.71 and 45,387.80 is: 68,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,321.12 : 142,888.71 = 45,387.80 : x
  2. Step 2: Convert to fraction form
    95,321.12/142,888.71 = 45,387.80/x
  3. Step 3: Cross multiply
    95,321.12x = 142,888.71 × 45,387.80
  4. Step 4: Simplify right side
    95,321.12x = 6,485,404,191.74
  5. Step 5: Solve for x
    x = 6,485,404,191.74/95,321.12
  6. Step 6: Final answer
    x = 68,037.43

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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.