Home / 187,344.68-281,109.27-87,490.37

Finding the Fourth Proportional to 187,344.68, 281,109.27 and 87,490.37

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Solution

The fourth proportional to 187,344.68, 281,109.27 and 87,490.37 is: 131,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,344.68 : 281,109.27 = 87,490.37 : x
  2. Step 2: Convert to fraction form
    187,344.68/281,109.27 = 87,490.37/x
  3. Step 3: Cross multiply
    187,344.68x = 281,109.27 × 87,490.37
  4. Step 4: Simplify right side
    187,344.68x = 24,594,352,637.18
  5. Step 5: Solve for x
    x = 24,594,352,637.18/187,344.68
  6. Step 6: Final answer
    x = 131,278.63

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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.