Home / 88,172.25-132,128.75-52,111.59

Finding the Fourth Proportional to 88,172.25, 132,128.75 and 52,111.59

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Solution

The fourth proportional to 88,172.25, 132,128.75 and 52,111.59 is: 78,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.25 : 132,128.75 = 52,111.59 : x
  2. Step 2: Convert to fraction form
    88,172.25/132,128.75 = 52,111.59/x
  3. Step 3: Cross multiply
    88,172.25x = 132,128.75 × 52,111.59
  4. Step 4: Simplify right side
    88,172.25x = 6,885,438,986.65
  5. Step 5: Solve for x
    x = 6,885,438,986.65/88,172.25
  6. Step 6: Final answer
    x = 78,090.77

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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.