Home / 156,586.32-216,074.52-88,609.50

Finding the Fourth Proportional to 156,586.32, 216,074.52 and 88,609.50

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Solution

The fourth proportional to 156,586.32, 216,074.52 and 88,609.50 is: 122,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,586.32 : 216,074.52 = 88,609.50 : x
  2. Step 2: Convert to fraction form
    156,586.32/216,074.52 = 88,609.50/x
  3. Step 3: Cross multiply
    156,586.32x = 216,074.52 × 88,609.50
  4. Step 4: Simplify right side
    156,586.32x = 19,146,255,179.94
  5. Step 5: Solve for x
    x = 19,146,255,179.94/156,586.32
  6. Step 6: Final answer
    x = 122,272.85

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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.