Home / 156,189.56-234,041.84-108,901.20

Finding the Fourth Proportional to 156,189.56, 234,041.84 and 108,901.20

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Solution

The fourth proportional to 156,189.56, 234,041.84 and 108,901.20 is: 163,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,189.56 : 234,041.84 = 108,901.20 : x
  2. Step 2: Convert to fraction form
    156,189.56/234,041.84 = 108,901.20/x
  3. Step 3: Cross multiply
    156,189.56x = 234,041.84 × 108,901.20
  4. Step 4: Simplify right side
    156,189.56x = 25,487,437,226.21
  5. Step 5: Solve for x
    x = 25,487,437,226.21/156,189.56
  6. Step 6: Final answer
    x = 163,182.72

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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.