Home / 132,916.65-199,385.77-39,422.13

Finding the Fourth Proportional to 132,916.65, 199,385.77 and 39,422.13

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Solution

The fourth proportional to 132,916.65, 199,385.77 and 39,422.13 is: 59,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916.65 : 199,385.77 = 39,422.13 : x
  2. Step 2: Convert to fraction form
    132,916.65/199,385.77 = 39,422.13/x
  3. Step 3: Cross multiply
    132,916.65x = 199,385.77 × 39,422.13
  4. Step 4: Simplify right side
    132,916.65x = 7,860,211,745.09
  5. Step 5: Solve for x
    x = 7,860,211,745.09/132,916.65
  6. Step 6: Final answer
    x = 59,136.40

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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.