Home / 247,890.43-342,088.68-134,713.18

Finding the Fourth Proportional to 247,890.43, 342,088.68 and 134,713.18

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Solution

The fourth proportional to 247,890.43, 342,088.68 and 134,713.18 is: 185,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,890.43 : 342,088.68 = 134,713.18 : x
  2. Step 2: Convert to fraction form
    247,890.43/342,088.68 = 134,713.18/x
  3. Step 3: Cross multiply
    247,890.43x = 342,088.68 × 134,713.18
  4. Step 4: Simplify right side
    247,890.43x = 46,083,853,924.80
  5. Step 5: Solve for x
    x = 46,083,853,924.80/247,890.43
  6. Step 6: Final answer
    x = 185,904.13

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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.