Home / 242,279.04-363,453.12-76,080

Finding the Fourth Proportional to 242,279.04, 363,453.12 and 76,080

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Solution

The fourth proportional to 242,279.04, 363,453.12 and 76,080 is: 114,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,279.04 : 363,453.12 = 76,080 : x
  2. Step 2: Convert to fraction form
    242,279.04/363,453.12 = 76,080/x
  3. Step 3: Cross multiply
    242,279.04x = 363,453.12 × 76,080
  4. Step 4: Simplify right side
    242,279.04x = 27,651,513,369.60
  5. Step 5: Solve for x
    x = 27,651,513,369.60/242,279.04
  6. Step 6: Final answer
    x = 114,130.85

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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.