Home / 187,408.98-281,205.81-87,576.06

Finding the Fourth Proportional to 187,408.98, 281,205.81 and 87,576.06

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Solution

The fourth proportional to 187,408.98, 281,205.81 and 87,576.06 is: 131,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,408.98 : 281,205.81 = 87,576.06 : x
  2. Step 2: Convert to fraction form
    187,408.98/281,205.81 = 87,576.06/x
  3. Step 3: Cross multiply
    187,408.98x = 281,205.81 × 87,576.06
  4. Step 4: Simplify right side
    187,408.98x = 24,626,896,888.91
  5. Step 5: Solve for x
    x = 24,626,896,888.91/187,408.98
  6. Step 6: Final answer
    x = 131,407.24

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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.