Home / 169,831.49-254,747.23-76,227.89

Finding the Fourth Proportional to 169,831.49, 254,747.23 and 76,227.89

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Solution

The fourth proportional to 169,831.49, 254,747.23 and 76,227.89 is: 114,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,831.49 : 254,747.23 = 76,227.89 : x
  2. Step 2: Convert to fraction form
    169,831.49/254,747.23 = 76,227.89/x
  3. Step 3: Cross multiply
    169,831.49x = 254,747.23 × 76,227.89
  4. Step 4: Simplify right side
    169,831.49x = 19,418,842,361.94
  5. Step 5: Solve for x
    x = 19,418,842,361.94/169,831.49
  6. Step 6: Final answer
    x = 114,341.83

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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.