Home / 123,734.74-170,754.40-67,146.10

Finding the Fourth Proportional to 123,734.74, 170,754.40 and 67,146.10

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Solution

The fourth proportional to 123,734.74, 170,754.40 and 67,146.10 is: 92,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,734.74 : 170,754.40 = 67,146.10 : x
  2. Step 2: Convert to fraction form
    123,734.74/170,754.40 = 67,146.10/x
  3. Step 3: Cross multiply
    123,734.74x = 170,754.40 × 67,146.10
  4. Step 4: Simplify right side
    123,734.74x = 11,465,492,017.84
  5. Step 5: Solve for x
    x = 11,465,492,017.84/123,734.74
  6. Step 6: Final answer
    x = 92,661.87

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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.