Home / 125,517.15-188,275.73-75,653.55

Finding the Fourth Proportional to 125,517.15, 188,275.73 and 75,653.55

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Solution

The fourth proportional to 125,517.15, 188,275.73 and 75,653.55 is: 113,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,517.15 : 188,275.73 = 75,653.55 : x
  2. Step 2: Convert to fraction form
    125,517.15/188,275.73 = 75,653.55/x
  3. Step 3: Cross multiply
    125,517.15x = 188,275.73 × 75,653.55
  4. Step 4: Simplify right side
    125,517.15x = 14,243,726,975.07
  5. Step 5: Solve for x
    x = 14,243,726,975.07/125,517.15
  6. Step 6: Final answer
    x = 113,480.33

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1.5x scale

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.