Home / 125,200.23-172,780.74-68,611.61

Finding the Fourth Proportional to 125,200.23, 172,780.74 and 68,611.61

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Solution

The fourth proportional to 125,200.23, 172,780.74 and 68,611.61 is: 94,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,200.23 : 172,780.74 = 68,611.61 : x
  2. Step 2: Convert to fraction form
    125,200.23/172,780.74 = 68,611.61/x
  3. Step 3: Cross multiply
    125,200.23x = 172,780.74 × 68,611.61
  4. Step 4: Simplify right side
    125,200.23x = 11,854,763,884.49
  5. Step 5: Solve for x
    x = 11,854,763,884.49/125,200.23
  6. Step 6: Final answer
    x = 94,686.44

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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.