Home / 131,760.98-181,831.58-71,332.90

Finding the Fourth Proportional to 131,760.98, 181,831.58 and 71,332.90

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Solution

The fourth proportional to 131,760.98, 181,831.58 and 71,332.90 is: 98,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,760.98 : 181,831.58 = 71,332.90 : x
  2. Step 2: Convert to fraction form
    131,760.98/181,831.58 = 71,332.90/x
  3. Step 3: Cross multiply
    131,760.98x = 181,831.58 × 71,332.90
  4. Step 4: Simplify right side
    131,760.98x = 12,970,574,793.29
  5. Step 5: Solve for x
    x = 12,970,574,793.29/131,760.98
  6. Step 6: Final answer
    x = 98,440.18

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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.