Home / 242,191.03-363,288.38-84,419.64

Finding the Fourth Proportional to 242,191.03, 363,288.38 and 84,419.64

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Solution

The fourth proportional to 242,191.03, 363,288.38 and 84,419.64 is: 126,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,191.03 : 363,288.38 = 84,419.64 : x
  2. Step 2: Convert to fraction form
    242,191.03/363,288.38 = 84,419.64/x
  3. Step 3: Cross multiply
    242,191.03x = 363,288.38 × 84,419.64
  4. Step 4: Simplify right side
    242,191.03x = 30,668,674,255.78
  5. Step 5: Solve for x
    x = 30,668,674,255.78/242,191.03
  6. Step 6: Final answer
    x = 126,630.10

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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.