Home / 115,148.30-172,554.45-51,029.10

Finding the Fourth Proportional to 115,148.30, 172,554.45 and 51,029.10

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Solution

The fourth proportional to 115,148.30, 172,554.45 and 51,029.10 is: 76,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,148.30 : 172,554.45 = 51,029.10 : x
  2. Step 2: Convert to fraction form
    115,148.30/172,554.45 = 51,029.10/x
  3. Step 3: Cross multiply
    115,148.30x = 172,554.45 × 51,029.10
  4. Step 4: Simplify right side
    115,148.30x = 8,805,298,284.50
  5. Step 5: Solve for x
    x = 8,805,298,284.50/115,148.30
  6. Step 6: Final answer
    x = 76,469.20

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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.