Home / 127,831.85-191,747.76-48,946.07

Finding the Fourth Proportional to 127,831.85, 191,747.76 and 48,946.07

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Solution

The fourth proportional to 127,831.85, 191,747.76 and 48,946.07 is: 73,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.85 : 191,747.76 = 48,946.07 : x
  2. Step 2: Convert to fraction form
    127,831.85/191,747.76 = 48,946.07/x
  3. Step 3: Cross multiply
    127,831.85x = 191,747.76 × 48,946.07
  4. Step 4: Simplify right side
    127,831.85x = 9,385,298,324.56
  5. Step 5: Solve for x
    x = 9,385,298,324.56/127,831.85
  6. Step 6: Final answer
    x = 73,419.09

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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.