Home / 156,196.08-234,106.33-71,840

Finding the Fourth Proportional to 156,196.08, 234,106.33 and 71,840

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Solution

The fourth proportional to 156,196.08, 234,106.33 and 71,840 is: 107,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,196.08 : 234,106.33 = 71,840 : x
  2. Step 2: Convert to fraction form
    156,196.08/234,106.33 = 71,840/x
  3. Step 3: Cross multiply
    156,196.08x = 234,106.33 × 71,840
  4. Step 4: Simplify right side
    156,196.08x = 16,818,198,747.20
  5. Step 5: Solve for x
    x = 16,818,198,747.20/156,196.08
  6. Step 6: Final answer
    x = 107,673.63

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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.