Home / 212,229.62-292,710.90-131,611.58

Finding the Fourth Proportional to 212,229.62, 292,710.90 and 131,611.58

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Solution

The fourth proportional to 212,229.62, 292,710.90 and 131,611.58 is: 181,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,229.62 : 292,710.90 = 131,611.58 : x
  2. Step 2: Convert to fraction form
    212,229.62/292,710.90 = 131,611.58/x
  3. Step 3: Cross multiply
    212,229.62x = 292,710.90 × 131,611.58
  4. Step 4: Simplify right side
    212,229.62x = 38,524,144,032.22
  5. Step 5: Solve for x
    x = 38,524,144,032.22/212,229.62
  6. Step 6: Final answer
    x = 181,521.05

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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.