Home / 123,966.19-171,072.74-67,377.57

Finding the Fourth Proportional to 123,966.19, 171,072.74 and 67,377.57

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Solution

The fourth proportional to 123,966.19, 171,072.74 and 67,377.57 is: 92,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,966.19 : 171,072.74 = 67,377.57 : x
  2. Step 2: Convert to fraction form
    123,966.19/171,072.74 = 67,377.57/x
  3. Step 3: Cross multiply
    123,966.19x = 171,072.74 × 67,377.57
  4. Step 4: Simplify right side
    123,966.19x = 11,526,465,514.44
  5. Step 5: Solve for x
    x = 11,526,465,514.44/123,966.19
  6. Step 6: Final answer
    x = 92,980.72

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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.