Home / 156,269.20-215,598-101,796.16

Finding the Fourth Proportional to 156,269.20, 215,598 and 101,796.16

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Solution

The fourth proportional to 156,269.20, 215,598 and 101,796.16 is: 140,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,269.20 : 215,598 = 101,796.16 : x
  2. Step 2: Convert to fraction form
    156,269.20/215,598 = 101,796.16/x
  3. Step 3: Cross multiply
    156,269.20x = 215,598 × 101,796.16
  4. Step 4: Simplify right side
    156,269.20x = 21,947,048,503.68
  5. Step 5: Solve for x
    x = 21,947,048,503.68/156,269.20
  6. Step 6: Final answer
    x = 140,443.85

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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.