Home / 119,531.08-164,956.98-65,819.80

Finding the Fourth Proportional to 119,531.08, 164,956.98 and 65,819.80

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Solution

The fourth proportional to 119,531.08, 164,956.98 and 65,819.80 is: 90,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,531.08 : 164,956.98 = 65,819.80 : x
  2. Step 2: Convert to fraction form
    119,531.08/164,956.98 = 65,819.80/x
  3. Step 3: Cross multiply
    119,531.08x = 164,956.98 × 65,819.80
  4. Step 4: Simplify right side
    119,531.08x = 10,857,435,432.20
  5. Step 5: Solve for x
    x = 10,857,435,432.20/119,531.08
  6. Step 6: Final answer
    x = 90,833.58

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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.