Home / 156,335.28-234,363.78-56,473.20

Finding the Fourth Proportional to 156,335.28, 234,363.78 and 56,473.20

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Solution

The fourth proportional to 156,335.28, 234,363.78 and 56,473.20 is: 84,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,335.28 : 234,363.78 = 56,473.20 : x
  2. Step 2: Convert to fraction form
    156,335.28/234,363.78 = 56,473.20/x
  3. Step 3: Cross multiply
    156,335.28x = 234,363.78 × 56,473.20
  4. Step 4: Simplify right side
    156,335.28x = 13,235,272,620.70
  5. Step 5: Solve for x
    x = 13,235,272,620.70/156,335.28
  6. Step 6: Final answer
    x = 84,659.54

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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.