Home / 124,820.30-187,230.45-96,826.70

Finding the Fourth Proportional to 124,820.30, 187,230.45 and 96,826.70

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Solution

The fourth proportional to 124,820.30, 187,230.45 and 96,826.70 is: 145,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.30 : 187,230.45 = 96,826.70 : x
  2. Step 2: Convert to fraction form
    124,820.30/187,230.45 = 96,826.70/x
  3. Step 3: Cross multiply
    124,820.30x = 187,230.45 × 96,826.70
  4. Step 4: Simplify right side
    124,820.30x = 18,128,906,613.02
  5. Step 5: Solve for x
    x = 18,128,906,613.02/124,820.30
  6. Step 6: Final answer
    x = 145,240.05

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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.