Home / 147,542.14-203,600.55-80,461.18

Finding the Fourth Proportional to 147,542.14, 203,600.55 and 80,461.18

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Solution

The fourth proportional to 147,542.14, 203,600.55 and 80,461.18 is: 111,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,542.14 : 203,600.55 = 80,461.18 : x
  2. Step 2: Convert to fraction form
    147,542.14/203,600.55 = 80,461.18/x
  3. Step 3: Cross multiply
    147,542.14x = 203,600.55 × 80,461.18
  4. Step 4: Simplify right side
    147,542.14x = 16,381,940,501.65
  5. Step 5: Solve for x
    x = 16,381,940,501.65/147,542.14
  6. Step 6: Final answer
    x = 111,032.28

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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.