Home / 141,624.30-212,261.46-85,287.18

Finding the Fourth Proportional to 141,624.30, 212,261.46 and 85,287.18

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Solution

The fourth proportional to 141,624.30, 212,261.46 and 85,287.18 is: 127,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,624.30 : 212,261.46 = 85,287.18 : x
  2. Step 2: Convert to fraction form
    141,624.30/212,261.46 = 85,287.18/x
  3. Step 3: Cross multiply
    141,624.30x = 212,261.46 × 85,287.18
  4. Step 4: Simplify right side
    141,624.30x = 18,103,181,346.08
  5. Step 5: Solve for x
    x = 18,103,181,346.08/141,624.30
  6. Step 6: Final answer
    x = 127,825.39

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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.