Home / 125,146.22-172,706.18-68,557.59

Finding the Fourth Proportional to 125,146.22, 172,706.18 and 68,557.59

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Solution

The fourth proportional to 125,146.22, 172,706.18 and 68,557.59 is: 94,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,146.22 : 172,706.18 = 68,557.59 : x
  2. Step 2: Convert to fraction form
    125,146.22/172,706.18 = 68,557.59/x
  3. Step 3: Cross multiply
    125,146.22x = 172,706.18 × 68,557.59
  4. Step 4: Simplify right side
    125,146.22x = 11,840,319,136.12
  5. Step 5: Solve for x
    x = 11,840,319,136.12/125,146.22
  6. Step 6: Final answer
    x = 94,611.88

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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.