Home / 325,122.76-487,725.68-125,500.24

Finding the Fourth Proportional to 325,122.76, 487,725.68 and 125,500.24

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Solution

The fourth proportional to 325,122.76, 487,725.68 and 125,500.24 is: 188,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,122.76 : 487,725.68 = 125,500.24 : x
  2. Step 2: Convert to fraction form
    325,122.76/487,725.68 = 125,500.24/x
  3. Step 3: Cross multiply
    325,122.76x = 487,725.68 × 125,500.24
  4. Step 4: Simplify right side
    325,122.76x = 61,209,687,721.14
  5. Step 5: Solve for x
    x = 61,209,687,721.14/325,122.76
  6. Step 6: Final answer
    x = 188,266.39

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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.