Home / 132,675.70-183,044.38-75,281.78

Finding the Fourth Proportional to 132,675.70, 183,044.38 and 75,281.78

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Solution

The fourth proportional to 132,675.70, 183,044.38 and 75,281.78 is: 103,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,675.70 : 183,044.38 = 75,281.78 : x
  2. Step 2: Convert to fraction form
    132,675.70/183,044.38 = 75,281.78/x
  3. Step 3: Cross multiply
    132,675.70x = 183,044.38 × 75,281.78
  4. Step 4: Simplify right side
    132,675.70x = 13,779,906,745.40
  5. Step 5: Solve for x
    x = 13,779,906,745.40/132,675.70
  6. Step 6: Final answer
    x = 103,861.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.