Home / 125,458.28-173,130.52-68,869.64

Finding the Fourth Proportional to 125,458.28, 173,130.52 and 68,869.64

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Solution

The fourth proportional to 125,458.28, 173,130.52 and 68,869.64 is: 95,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,458.28 : 173,130.52 = 68,869.64 : x
  2. Step 2: Convert to fraction form
    125,458.28/173,130.52 = 68,869.64/x
  3. Step 3: Cross multiply
    125,458.28x = 173,130.52 × 68,869.64
  4. Step 4: Simplify right side
    125,458.28x = 11,923,436,585.41
  5. Step 5: Solve for x
    x = 11,923,436,585.41/125,458.28
  6. Step 6: Final answer
    x = 95,039.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.