Home / 132,031.62-182,308.32-121,956.30

Finding the Fourth Proportional to 132,031.62, 182,308.32 and 121,956.30

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Solution

The fourth proportional to 132,031.62, 182,308.32 and 121,956.30 is: 168,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,031.62 : 182,308.32 = 121,956.30 : x
  2. Step 2: Convert to fraction form
    132,031.62/182,308.32 = 121,956.30/x
  3. Step 3: Cross multiply
    132,031.62x = 182,308.32 × 121,956.30
  4. Step 4: Simplify right side
    132,031.62x = 22,233,648,166.42
  5. Step 5: Solve for x
    x = 22,233,648,166.42/132,031.62
  6. Step 6: Final answer
    x = 168,396.39

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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.