Home / 242,561.28-363,666.72-102,243.20

Finding the Fourth Proportional to 242,561.28, 363,666.72 and 102,243.20

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Solution

The fourth proportional to 242,561.28, 363,666.72 and 102,243.20 is: 153,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,561.28 : 363,666.72 = 102,243.20 : x
  2. Step 2: Convert to fraction form
    242,561.28/363,666.72 = 102,243.20/x
  3. Step 3: Cross multiply
    242,561.28x = 363,666.72 × 102,243.20
  4. Step 4: Simplify right side
    242,561.28x = 37,182,449,186.30
  5. Step 5: Solve for x
    x = 37,182,449,186.30/242,561.28
  6. Step 6: Final answer
    x = 153,290.95

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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.