Home / 145,026.97-200,149.28-80,502.27

Finding the Fourth Proportional to 145,026.97, 200,149.28 and 80,502.27

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Solution

The fourth proportional to 145,026.97, 200,149.28 and 80,502.27 is: 111,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,026.97 : 200,149.28 = 80,502.27 : x
  2. Step 2: Convert to fraction form
    145,026.97/200,149.28 = 80,502.27/x
  3. Step 3: Cross multiply
    145,026.97x = 200,149.28 × 80,502.27
  4. Step 4: Simplify right side
    145,026.97x = 16,112,471,653.52
  5. Step 5: Solve for x
    x = 16,112,471,653.52/145,026.97
  6. Step 6: Final answer
    x = 111,099.83

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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.