Home / 247,897.22-342,101.85-134,720.06

Finding the Fourth Proportional to 247,897.22, 342,101.85 and 134,720.06

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Solution

The fourth proportional to 247,897.22, 342,101.85 and 134,720.06 is: 185,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,897.22 : 342,101.85 = 134,720.06 : x
  2. Step 2: Convert to fraction form
    247,897.22/342,101.85 = 134,720.06/x
  3. Step 3: Cross multiply
    247,897.22x = 342,101.85 × 134,720.06
  4. Step 4: Simplify right side
    247,897.22x = 46,087,981,758.11
  5. Step 5: Solve for x
    x = 46,087,981,758.11/247,897.22
  6. Step 6: Final answer
    x = 185,915.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.