Home / 156,382.42-234,392.18-71,965.36

Finding the Fourth Proportional to 156,382.42, 234,392.18 and 71,965.36

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Solution

The fourth proportional to 156,382.42, 234,392.18 and 71,965.36 is: 107,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,382.42 : 234,392.18 = 71,965.36 : x
  2. Step 2: Convert to fraction form
    156,382.42/234,392.18 = 71,965.36/x
  3. Step 3: Cross multiply
    156,382.42x = 234,392.18 × 71,965.36
  4. Step 4: Simplify right side
    156,382.42x = 16,868,117,952.85
  5. Step 5: Solve for x
    x = 16,868,117,952.85/156,382.42
  6. Step 6: Final answer
    x = 107,864.54

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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.