Home / 253,126.18-380,379.03-134,882.02

Finding the Fourth Proportional to 253,126.18, 380,379.03 and 134,882.02

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Solution

The fourth proportional to 253,126.18, 380,379.03 and 134,882.02 is: 202,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,126.18 : 380,379.03 = 134,882.02 : x
  2. Step 2: Convert to fraction form
    253,126.18/380,379.03 = 134,882.02/x
  3. Step 3: Cross multiply
    253,126.18x = 380,379.03 × 134,882.02
  4. Step 4: Simplify right side
    253,126.18x = 51,306,291,932.04
  5. Step 5: Solve for x
    x = 51,306,291,932.04/253,126.18
  6. Step 6: Final answer
    x = 202,690.58

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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.