Home / 161,221.32-241,837.40-72,475.12

Finding the Fourth Proportional to 161,221.32, 241,837.40 and 72,475.12

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Solution

The fourth proportional to 161,221.32, 241,837.40 and 72,475.12 is: 108,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,221.32 : 241,837.40 = 72,475.12 : x
  2. Step 2: Convert to fraction form
    161,221.32/241,837.40 = 72,475.12/x
  3. Step 3: Cross multiply
    161,221.32x = 241,837.40 × 72,475.12
  4. Step 4: Simplify right side
    161,221.32x = 17,527,194,585.49
  5. Step 5: Solve for x
    x = 17,527,194,585.49/161,221.32
  6. Step 6: Final answer
    x = 108,715.12

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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.