Home / 187,358.36-281,129.81-87,525.57

Finding the Fourth Proportional to 187,358.36, 281,129.81 and 87,525.57

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Solution

The fourth proportional to 187,358.36, 281,129.81 and 87,525.57 is: 131,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,358.36 : 281,129.81 = 87,525.57 : x
  2. Step 2: Convert to fraction form
    187,358.36/281,129.81 = 87,525.57/x
  3. Step 3: Cross multiply
    187,358.36x = 281,129.81 × 87,525.57
  4. Step 4: Simplify right side
    187,358.36x = 24,606,046,426.61
  5. Step 5: Solve for x
    x = 24,606,046,426.61/187,358.36
  6. Step 6: Final answer
    x = 131,331.46

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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.