Home / 204,430.75-282,117.11-112,560.72

Finding the Fourth Proportional to 204,430.75, 282,117.11 and 112,560.72

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Solution

The fourth proportional to 204,430.75, 282,117.11 and 112,560.72 is: 155,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,430.75 : 282,117.11 = 112,560.72 : x
  2. Step 2: Convert to fraction form
    204,430.75/282,117.11 = 112,560.72/x
  3. Step 3: Cross multiply
    204,430.75x = 282,117.11 × 112,560.72
  4. Step 4: Simplify right side
    204,430.75x = 31,755,305,025.92
  5. Step 5: Solve for x
    x = 31,755,305,025.92/204,430.75
  6. Step 6: Final answer
    x = 155,335.27

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1.5x scale

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.