Home / 247,897.43-342,098.34-134,720.18

Finding the Fourth Proportional to 247,897.43, 342,098.34 and 134,720.18

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Solution

The fourth proportional to 247,897.43, 342,098.34 and 134,720.18 is: 185,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,897.43 : 342,098.34 = 134,720.18 : x
  2. Step 2: Convert to fraction form
    247,897.43/342,098.34 = 134,720.18/x
  3. Step 3: Cross multiply
    247,897.43x = 342,098.34 × 134,720.18
  4. Step 4: Simplify right side
    247,897.43x = 46,087,549,942.50
  5. Step 5: Solve for x
    x = 46,087,549,942.50/247,897.43
  6. Step 6: Final answer
    x = 185,913.79

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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.