Home / 203,205.26-280,425.51-112,562.62

Finding the Fourth Proportional to 203,205.26, 280,425.51 and 112,562.62

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Solution

The fourth proportional to 203,205.26, 280,425.51 and 112,562.62 is: 155,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,205.26 : 280,425.51 = 112,562.62 : x
  2. Step 2: Convert to fraction form
    203,205.26/280,425.51 = 112,562.62/x
  3. Step 3: Cross multiply
    203,205.26x = 280,425.51 × 112,562.62
  4. Step 4: Simplify right side
    203,205.26x = 31,565,428,718.31
  5. Step 5: Solve for x
    x = 31,565,428,718.31/203,205.26
  6. Step 6: Final answer
    x = 155,337.66

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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.