Home / 136,944.80-205,417.20-124,697.60

Finding the Fourth Proportional to 136,944.80, 205,417.20 and 124,697.60

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Solution

The fourth proportional to 136,944.80, 205,417.20 and 124,697.60 is: 187,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,944.80 : 205,417.20 = 124,697.60 : x
  2. Step 2: Convert to fraction form
    136,944.80/205,417.20 = 124,697.60/x
  3. Step 3: Cross multiply
    136,944.80x = 205,417.20 × 124,697.60
  4. Step 4: Simplify right side
    136,944.80x = 25,615,031,838.72
  5. Step 5: Solve for x
    x = 25,615,031,838.72/136,944.80
  6. Step 6: Final answer
    x = 187,046.40

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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.