Home / 187,375.17-281,062.89-47,133.75

Finding the Fourth Proportional to 187,375.17, 281,062.89 and 47,133.75

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Solution

The fourth proportional to 187,375.17, 281,062.89 and 47,133.75 is: 70,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,375.17 : 281,062.89 = 47,133.75 : x
  2. Step 2: Convert to fraction form
    187,375.17/281,062.89 = 47,133.75/x
  3. Step 3: Cross multiply
    187,375.17x = 281,062.89 × 47,133.75
  4. Step 4: Simplify right side
    187,375.17x = 13,247,547,991.54
  5. Step 5: Solve for x
    x = 13,247,547,991.54/187,375.17
  6. Step 6: Final answer
    x = 70,700.66

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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.