Home / 156,268.23-234,775.95-100,218.15

Finding the Fourth Proportional to 156,268.23, 234,775.95 and 100,218.15

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Solution

The fourth proportional to 156,268.23, 234,775.95 and 100,218.15 is: 150,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,268.23 : 234,775.95 = 100,218.15 : x
  2. Step 2: Convert to fraction form
    156,268.23/234,775.95 = 100,218.15/x
  3. Step 3: Cross multiply
    156,268.23x = 234,775.95 × 100,218.15
  4. Step 4: Simplify right side
    156,268.23x = 23,528,811,373.49
  5. Step 5: Solve for x
    x = 23,528,811,373.49/156,268.23
  6. Step 6: Final answer
    x = 150,566.83

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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.