Home / 134,253.42-185,223.60-83,247.78

Finding the Fourth Proportional to 134,253.42, 185,223.60 and 83,247.78

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Solution

The fourth proportional to 134,253.42, 185,223.60 and 83,247.78 is: 114,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,253.42 : 185,223.60 = 83,247.78 : x
  2. Step 2: Convert to fraction form
    134,253.42/185,223.60 = 83,247.78/x
  3. Step 3: Cross multiply
    134,253.42x = 185,223.60 × 83,247.78
  4. Step 4: Simplify right side
    134,253.42x = 15,419,453,503.61
  5. Step 5: Solve for x
    x = 15,419,453,503.61/134,253.42
  6. Step 6: Final answer
    x = 114,853.34

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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.