Home / 124,145.10-186,217.65-45,261.90

Finding the Fourth Proportional to 124,145.10, 186,217.65 and 45,261.90

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Solution

The fourth proportional to 124,145.10, 186,217.65 and 45,261.90 is: 67,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.10 : 186,217.65 = 45,261.90 : x
  2. Step 2: Convert to fraction form
    124,145.10/186,217.65 = 45,261.90/x
  3. Step 3: Cross multiply
    124,145.10x = 186,217.65 × 45,261.90
  4. Step 4: Simplify right side
    124,145.10x = 8,428,564,652.54
  5. Step 5: Solve for x
    x = 8,428,564,652.54/124,145.10
  6. Step 6: Final answer
    x = 67,892.85

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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.