Home / 209,250.20-313,875.30-125,269.40

Finding the Fourth Proportional to 209,250.20, 313,875.30 and 125,269.40

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Solution

The fourth proportional to 209,250.20, 313,875.30 and 125,269.40 is: 187,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,250.20 : 313,875.30 = 125,269.40 : x
  2. Step 2: Convert to fraction form
    209,250.20/313,875.30 = 125,269.40/x
  3. Step 3: Cross multiply
    209,250.20x = 313,875.30 × 125,269.40
  4. Step 4: Simplify right side
    209,250.20x = 39,318,970,505.82
  5. Step 5: Solve for x
    x = 39,318,970,505.82/209,250.20
  6. Step 6: Final answer
    x = 187,904.10

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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.