Home / 181,449.12-250,385.58-100,871.76

Finding the Fourth Proportional to 181,449.12, 250,385.58 and 100,871.76

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Solution

The fourth proportional to 181,449.12, 250,385.58 and 100,871.76 is: 139,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,449.12 : 250,385.58 = 100,871.76 : x
  2. Step 2: Convert to fraction form
    181,449.12/250,385.58 = 100,871.76/x
  3. Step 3: Cross multiply
    181,449.12x = 250,385.58 × 100,871.76
  4. Step 4: Simplify right side
    181,449.12x = 25,256,834,133.22
  5. Step 5: Solve for x
    x = 25,256,834,133.22/181,449.12
  6. Step 6: Final answer
    x = 139,195.13

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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.