Home / 127,831.47-191,747.20-48,945.69

Finding the Fourth Proportional to 127,831.47, 191,747.20 and 48,945.69

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Solution

The fourth proportional to 127,831.47, 191,747.20 and 48,945.69 is: 73,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.47 : 191,747.20 = 48,945.69 : x
  2. Step 2: Convert to fraction form
    127,831.47/191,747.20 = 48,945.69/x
  3. Step 3: Cross multiply
    127,831.47x = 191,747.20 × 48,945.69
  4. Step 4: Simplify right side
    127,831.47x = 9,385,198,887.20
  5. Step 5: Solve for x
    x = 9,385,198,887.20/127,831.47
  6. Step 6: Final answer
    x = 73,418.53

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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.