Home / 108,745.40-162,923.70-88,916.60

Finding the Fourth Proportional to 108,745.40, 162,923.70 and 88,916.60

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Solution

The fourth proportional to 108,745.40, 162,923.70 and 88,916.60 is: 133,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,745.40 : 162,923.70 = 88,916.60 : x
  2. Step 2: Convert to fraction form
    108,745.40/162,923.70 = 88,916.60/x
  3. Step 3: Cross multiply
    108,745.40x = 162,923.70 × 88,916.60
  4. Step 4: Simplify right side
    108,745.40x = 14,486,621,463.42
  5. Step 5: Solve for x
    x = 14,486,621,463.42/108,745.40
  6. Step 6: Final answer
    x = 133,215.95

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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.