Home / 242,546.20-363,732.90-84,779.80

Finding the Fourth Proportional to 242,546.20, 363,732.90 and 84,779.80

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Solution

The fourth proportional to 242,546.20, 363,732.90 and 84,779.80 is: 127,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,546.20 : 363,732.90 = 84,779.80 : x
  2. Step 2: Convert to fraction form
    242,546.20/363,732.90 = 84,779.80/x
  3. Step 3: Cross multiply
    242,546.20x = 363,732.90 × 84,779.80
  4. Step 4: Simplify right side
    242,546.20x = 30,837,202,515.42
  5. Step 5: Solve for x
    x = 30,837,202,515.42/242,546.20
  6. Step 6: Final answer
    x = 127,139.50

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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.