Home / 124,881.20-187,321.80-124,103.60

Finding the Fourth Proportional to 124,881.20, 187,321.80 and 124,103.60

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Solution

The fourth proportional to 124,881.20, 187,321.80 and 124,103.60 is: 186,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,881.20 : 187,321.80 = 124,103.60 : x
  2. Step 2: Convert to fraction form
    124,881.20/187,321.80 = 124,103.60/x
  3. Step 3: Cross multiply
    124,881.20x = 187,321.80 × 124,103.60
  4. Step 4: Simplify right side
    124,881.20x = 23,247,309,738.48
  5. Step 5: Solve for x
    x = 23,247,309,738.48/124,881.20
  6. Step 6: Final answer
    x = 186,155.40

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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.