Home / 187,917.36-281,889.30-75,598.26

Finding the Fourth Proportional to 187,917.36, 281,889.30 and 75,598.26

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Solution

The fourth proportional to 187,917.36, 281,889.30 and 75,598.26 is: 113,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,917.36 : 281,889.30 = 75,598.26 : x
  2. Step 2: Convert to fraction form
    187,917.36/281,889.30 = 75,598.26/x
  3. Step 3: Cross multiply
    187,917.36x = 281,889.30 × 75,598.26
  4. Step 4: Simplify right side
    187,917.36x = 21,310,340,592.62
  5. Step 5: Solve for x
    x = 21,310,340,592.62/187,917.36
  6. Step 6: Final answer
    x = 113,402.72

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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.