Home / 124,310.34-186,489.81-45,414.18

Finding the Fourth Proportional to 124,310.34, 186,489.81 and 45,414.18

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Solution

The fourth proportional to 124,310.34, 186,489.81 and 45,414.18 is: 68,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,310.34 : 186,489.81 = 45,414.18 : x
  2. Step 2: Convert to fraction form
    124,310.34/186,489.81 = 45,414.18/x
  3. Step 3: Cross multiply
    124,310.34x = 186,489.81 × 45,414.18
  4. Step 4: Simplify right side
    124,310.34x = 8,469,281,799.51
  5. Step 5: Solve for x
    x = 8,469,281,799.51/124,310.34
  6. Step 6: Final answer
    x = 68,130.15

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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.