Home / 93,721.20-140,426.28-65,960.88

Finding the Fourth Proportional to 93,721.20, 140,426.28 and 65,960.88

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Solution

The fourth proportional to 93,721.20, 140,426.28 and 65,960.88 is: 98,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,721.20 : 140,426.28 = 65,960.88 : x
  2. Step 2: Convert to fraction form
    93,721.20/140,426.28 = 65,960.88/x
  3. Step 3: Cross multiply
    93,721.20x = 140,426.28 × 65,960.88
  4. Step 4: Simplify right side
    93,721.20x = 9,262,641,003.93
  5. Step 5: Solve for x
    x = 9,262,641,003.93/93,721.20
  6. Step 6: Final answer
    x = 98,831.87

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1.5x scale

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.