Home / 125,219.18-187,828.79-75,867.50

Finding the Fourth Proportional to 125,219.18, 187,828.79 and 75,867.50

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Solution

The fourth proportional to 125,219.18, 187,828.79 and 75,867.50 is: 113,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,219.18 : 187,828.79 = 75,867.50 : x
  2. Step 2: Convert to fraction form
    125,219.18/187,828.79 = 75,867.50/x
  3. Step 3: Cross multiply
    125,219.18x = 187,828.79 × 75,867.50
  4. Step 4: Simplify right side
    125,219.18x = 14,250,100,725.33
  5. Step 5: Solve for x
    x = 14,250,100,725.33/125,219.18
  6. Step 6: Final answer
    x = 113,801.26

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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.