Home / 156,769.80-235,154.70-146,272.20

Finding the Fourth Proportional to 156,769.80, 235,154.70 and 146,272.20

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Solution

The fourth proportional to 156,769.80, 235,154.70 and 146,272.20 is: 219,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769.80 : 235,154.70 = 146,272.20 : x
  2. Step 2: Convert to fraction form
    156,769.80/235,154.70 = 146,272.20/x
  3. Step 3: Cross multiply
    156,769.80x = 235,154.70 × 146,272.20
  4. Step 4: Simplify right side
    156,769.80x = 34,396,595,309.34
  5. Step 5: Solve for x
    x = 34,396,595,309.34/156,769.80
  6. Step 6: Final answer
    x = 219,408.30

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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.