Home / 187,876.64-281,907.20-75,552.32

Finding the Fourth Proportional to 187,876.64, 281,907.20 and 75,552.32

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Solution

The fourth proportional to 187,876.64, 281,907.20 and 75,552.32 is: 113,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,876.64 : 281,907.20 = 75,552.32 : x
  2. Step 2: Convert to fraction form
    187,876.64/281,907.20 = 75,552.32/x
  3. Step 3: Cross multiply
    187,876.64x = 281,907.20 × 75,552.32
  4. Step 4: Simplify right side
    187,876.64x = 21,298,742,984.70
  5. Step 5: Solve for x
    x = 21,298,742,984.70/187,876.64
  6. Step 6: Final answer
    x = 113,365.57

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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.