Home / 242,376.38-363,638.82-124,130.78

Finding the Fourth Proportional to 242,376.38, 363,638.82 and 124,130.78

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Solution

The fourth proportional to 242,376.38, 363,638.82 and 124,130.78 is: 186,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,376.38 : 363,638.82 = 124,130.78 : x
  2. Step 2: Convert to fraction form
    242,376.38/363,638.82 = 124,130.78/x
  3. Step 3: Cross multiply
    242,376.38x = 363,638.82 × 124,130.78
  4. Step 4: Simplify right side
    242,376.38x = 45,138,770,364.88
  5. Step 5: Solve for x
    x = 45,138,770,364.88/242,376.38
  6. Step 6: Final answer
    x = 186,234.20

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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.