Home / 115,628.20-173,456.20-40,732.87

Finding the Fourth Proportional to 115,628.20, 173,456.20 and 40,732.87

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Solution

The fourth proportional to 115,628.20, 173,456.20 and 40,732.87 is: 61,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,628.20 : 173,456.20 = 40,732.87 : x
  2. Step 2: Convert to fraction form
    115,628.20/173,456.20 = 40,732.87/x
  3. Step 3: Cross multiply
    115,628.20x = 173,456.20 × 40,732.87
  4. Step 4: Simplify right side
    115,628.20x = 7,065,368,309.82
  5. Step 5: Solve for x
    x = 7,065,368,309.82/115,628.20
  6. Step 6: Final answer
    x = 61,104.20

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1.5x scale

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.