Home / 115,252.14-172,901.70-65,354.52

Finding the Fourth Proportional to 115,252.14, 172,901.70 and 65,354.52

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Solution

The fourth proportional to 115,252.14, 172,901.70 and 65,354.52 is: 98,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,252.14 : 172,901.70 = 65,354.52 : x
  2. Step 2: Convert to fraction form
    115,252.14/172,901.70 = 65,354.52/x
  3. Step 3: Cross multiply
    115,252.14x = 172,901.70 × 65,354.52
  4. Step 4: Simplify right side
    115,252.14x = 11,299,907,610.68
  5. Step 5: Solve for x
    x = 11,299,907,610.68/115,252.14
  6. Step 6: Final answer
    x = 98,045.10

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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.