Home / 161,684.46-242,205.21-126,459.18

Finding the Fourth Proportional to 161,684.46, 242,205.21 and 126,459.18

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Solution

The fourth proportional to 161,684.46, 242,205.21 and 126,459.18 is: 189,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684.46 : 242,205.21 = 126,459.18 : x
  2. Step 2: Convert to fraction form
    161,684.46/242,205.21 = 126,459.18/x
  3. Step 3: Cross multiply
    161,684.46x = 242,205.21 × 126,459.18
  4. Step 4: Simplify right side
    161,684.46x = 30,629,072,248.33
  5. Step 5: Solve for x
    x = 30,629,072,248.33/161,684.46
  6. Step 6: Final answer
    x = 189,437.33

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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.