Home / 124,515.40-187,233.90-104,240.20

Finding the Fourth Proportional to 124,515.40, 187,233.90 and 104,240.20

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Solution

The fourth proportional to 124,515.40, 187,233.90 and 104,240.20 is: 156,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.40 : 187,233.90 = 104,240.20 : x
  2. Step 2: Convert to fraction form
    124,515.40/187,233.90 = 104,240.20/x
  3. Step 3: Cross multiply
    124,515.40x = 187,233.90 × 104,240.20
  4. Step 4: Simplify right side
    124,515.40x = 19,517,299,182.78
  5. Step 5: Solve for x
    x = 19,517,299,182.78/124,515.40
  6. Step 6: Final answer
    x = 156,746.07

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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.