Home / 123,841.26-170,902.95-70,124.88

Finding the Fourth Proportional to 123,841.26, 170,902.95 and 70,124.88

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Solution

The fourth proportional to 123,841.26, 170,902.95 and 70,124.88 is: 96,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,841.26 : 170,902.95 = 70,124.88 : x
  2. Step 2: Convert to fraction form
    123,841.26/170,902.95 = 70,124.88/x
  3. Step 3: Cross multiply
    123,841.26x = 170,902.95 × 70,124.88
  4. Step 4: Simplify right side
    123,841.26x = 11,984,548,860.40
  5. Step 5: Solve for x
    x = 11,984,548,860.40/123,841.26
  6. Step 6: Final answer
    x = 96,773.47

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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.