Home / 153,988.52-231,004.66-47,381.32

Finding the Fourth Proportional to 153,988.52, 231,004.66 and 47,381.32

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Solution

The fourth proportional to 153,988.52, 231,004.66 and 47,381.32 is: 71,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,988.52 : 231,004.66 = 47,381.32 : x
  2. Step 2: Convert to fraction form
    153,988.52/231,004.66 = 47,381.32/x
  3. Step 3: Cross multiply
    153,988.52x = 231,004.66 × 47,381.32
  4. Step 4: Simplify right side
    153,988.52x = 10,945,305,716.95
  5. Step 5: Solve for x
    x = 10,945,305,716.95/153,988.52
  6. Step 6: Final answer
    x = 71,078.71

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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.