Home / 123,244.57-170,077.62-66,655.95

Finding the Fourth Proportional to 123,244.57, 170,077.62 and 66,655.95

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Solution

The fourth proportional to 123,244.57, 170,077.62 and 66,655.95 is: 91,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,244.57 : 170,077.62 = 66,655.95 : x
  2. Step 2: Convert to fraction form
    123,244.57/170,077.62 = 66,655.95/x
  3. Step 3: Cross multiply
    123,244.57x = 170,077.62 × 66,655.95
  4. Step 4: Simplify right side
    123,244.57x = 11,336,685,334.84
  5. Step 5: Solve for x
    x = 11,336,685,334.84/123,244.57
  6. Step 6: Final answer
    x = 91,985.27

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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.