Home / 123,742.17-170,764.11-67,153.59

Finding the Fourth Proportional to 123,742.17, 170,764.11 and 67,153.59

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Solution

The fourth proportional to 123,742.17, 170,764.11 and 67,153.59 is: 92,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,742.17 : 170,764.11 = 67,153.59 : x
  2. Step 2: Convert to fraction form
    123,742.17/170,764.11 = 67,153.59/x
  3. Step 3: Cross multiply
    123,742.17x = 170,764.11 × 67,153.59
  4. Step 4: Simplify right side
    123,742.17x = 11,467,423,029.65
  5. Step 5: Solve for x
    x = 11,467,423,029.65/123,742.17
  6. Step 6: Final answer
    x = 92,671.91

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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.