Home / 179,429.16-269,134.80-67,101.12

Finding the Fourth Proportional to 179,429.16, 269,134.80 and 67,101.12

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Solution

The fourth proportional to 179,429.16, 269,134.80 and 67,101.12 is: 100,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,429.16 : 269,134.80 = 67,101.12 : x
  2. Step 2: Convert to fraction form
    179,429.16/269,134.80 = 67,101.12/x
  3. Step 3: Cross multiply
    179,429.16x = 269,134.80 × 67,101.12
  4. Step 4: Simplify right side
    179,429.16x = 18,059,246,510.98
  5. Step 5: Solve for x
    x = 18,059,246,510.98/179,429.16
  6. Step 6: Final answer
    x = 100,648.34

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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.