Home / 212,230.62-292,712.28-131,612.58

Finding the Fourth Proportional to 212,230.62, 292,712.28 and 131,612.58

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Solution

The fourth proportional to 212,230.62, 292,712.28 and 131,612.58 is: 181,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,230.62 : 292,712.28 = 131,612.58 : x
  2. Step 2: Convert to fraction form
    212,230.62/292,712.28 = 131,612.58/x
  3. Step 3: Cross multiply
    212,230.62x = 292,712.28 × 131,612.58
  4. Step 4: Simplify right side
    212,230.62x = 38,524,618,368.48
  5. Step 5: Solve for x
    x = 38,524,618,368.48/212,230.62
  6. Step 6: Final answer
    x = 181,522.43

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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.