Home / 125,025.36-187,350-50,071.20

Finding the Fourth Proportional to 125,025.36, 187,350 and 50,071.20

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Solution

The fourth proportional to 125,025.36, 187,350 and 50,071.20 is: 75,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,025.36 : 187,350 = 50,071.20 : x
  2. Step 2: Convert to fraction form
    125,025.36/187,350 = 50,071.20/x
  3. Step 3: Cross multiply
    125,025.36x = 187,350 × 50,071.20
  4. Step 4: Simplify right side
    125,025.36x = 9,380,839,320
  5. Step 5: Solve for x
    x = 9,380,839,320/125,025.36
  6. Step 6: Final answer
    x = 75,031.49

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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.