Home / 145,226.16-200,402.22-81,562.59

Finding the Fourth Proportional to 145,226.16, 200,402.22 and 81,562.59

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Solution

The fourth proportional to 145,226.16, 200,402.22 and 81,562.59 is: 112,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,226.16 : 200,402.22 = 81,562.59 : x
  2. Step 2: Convert to fraction form
    145,226.16/200,402.22 = 81,562.59/x
  3. Step 3: Cross multiply
    145,226.16x = 200,402.22 × 81,562.59
  4. Step 4: Simplify right side
    145,226.16x = 16,345,324,104.95
  5. Step 5: Solve for x
    x = 16,345,324,104.95/145,226.16
  6. Step 6: Final answer
    x = 112,550.82

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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.