Home / 156,925.32-235,205.46-72,508.20

Finding the Fourth Proportional to 156,925.32, 235,205.46 and 72,508.20

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Solution

The fourth proportional to 156,925.32, 235,205.46 and 72,508.20 is: 108,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,925.32 : 235,205.46 = 72,508.20 : x
  2. Step 2: Convert to fraction form
    156,925.32/235,205.46 = 72,508.20/x
  3. Step 3: Cross multiply
    156,925.32x = 235,205.46 × 72,508.20
  4. Step 4: Simplify right side
    156,925.32x = 17,054,324,534.77
  5. Step 5: Solve for x
    x = 17,054,324,534.77/156,925.32
  6. Step 6: Final answer
    x = 108,677.97

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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.