Home / 123,881.40-170,949.96-67,292.64

Finding the Fourth Proportional to 123,881.40, 170,949.96 and 67,292.64

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Solution

The fourth proportional to 123,881.40, 170,949.96 and 67,292.64 is: 92,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,881.40 : 170,949.96 = 67,292.64 : x
  2. Step 2: Convert to fraction form
    123,881.40/170,949.96 = 67,292.64/x
  3. Step 3: Cross multiply
    123,881.40x = 170,949.96 × 67,292.64
  4. Step 4: Simplify right side
    123,881.40x = 11,503,674,116.29
  5. Step 5: Solve for x
    x = 11,503,674,116.29/123,881.40
  6. Step 6: Final answer
    x = 92,860.38

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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.