Home / 123,834.30-170,893.32-70,117.88

Finding the Fourth Proportional to 123,834.30, 170,893.32 and 70,117.88

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Solution

The fourth proportional to 123,834.30, 170,893.32 and 70,117.88 is: 96,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,834.30 : 170,893.32 = 70,117.88 : x
  2. Step 2: Convert to fraction form
    123,834.30/170,893.32 = 70,117.88/x
  3. Step 3: Cross multiply
    123,834.30x = 170,893.32 × 70,117.88
  4. Step 4: Simplify right side
    123,834.30x = 11,982,677,304.56
  5. Step 5: Solve for x
    x = 11,982,677,304.56/123,834.30
  6. Step 6: Final answer
    x = 96,763.80

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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.