Home / 247,943.39-342,154.69-140,523.35

Finding the Fourth Proportional to 247,943.39, 342,154.69 and 140,523.35

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Solution

The fourth proportional to 247,943.39, 342,154.69 and 140,523.35 is: 193,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,943.39 : 342,154.69 = 140,523.35 : x
  2. Step 2: Convert to fraction form
    247,943.39/342,154.69 = 140,523.35/x
  3. Step 3: Cross multiply
    247,943.39x = 342,154.69 × 140,523.35
  4. Step 4: Simplify right side
    247,943.39x = 48,080,721,194.93
  5. Step 5: Solve for x
    x = 48,080,721,194.93/247,943.39
  6. Step 6: Final answer
    x = 193,918.14

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1.5x scale

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.