Home / 119,984.34-179,865.23-45,154.11

Finding the Fourth Proportional to 119,984.34, 179,865.23 and 45,154.11

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Solution

The fourth proportional to 119,984.34, 179,865.23 and 45,154.11 is: 67,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,984.34 : 179,865.23 = 45,154.11 : x
  2. Step 2: Convert to fraction form
    119,984.34/179,865.23 = 45,154.11/x
  3. Step 3: Cross multiply
    119,984.34x = 179,865.23 × 45,154.11
  4. Step 4: Simplify right side
    119,984.34x = 8,121,654,380.60
  5. Step 5: Solve for x
    x = 8,121,654,380.60/119,984.34
  6. Step 6: Final answer
    x = 67,689.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.