Home / 88,136.10-132,290.55-43,812.90

Finding the Fourth Proportional to 88,136.10, 132,290.55 and 43,812.90

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Solution

The fourth proportional to 88,136.10, 132,290.55 and 43,812.90 is: 65,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,136.10 : 132,290.55 = 43,812.90 : x
  2. Step 2: Convert to fraction form
    88,136.10/132,290.55 = 43,812.90/x
  3. Step 3: Cross multiply
    88,136.10x = 132,290.55 × 43,812.90
  4. Step 4: Simplify right side
    88,136.10x = 5,796,032,638.10
  5. Step 5: Solve for x
    x = 5,796,032,638.10/88,136.10
  6. Step 6: Final answer
    x = 65,762.30

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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.