Home / 115,918.38-173,939.13-45,798.30

Finding the Fourth Proportional to 115,918.38, 173,939.13 and 45,798.30

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Solution

The fourth proportional to 115,918.38, 173,939.13 and 45,798.30 is: 68,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918.38 : 173,939.13 = 45,798.30 : x
  2. Step 2: Convert to fraction form
    115,918.38/173,939.13 = 45,798.30/x
  3. Step 3: Cross multiply
    115,918.38x = 173,939.13 × 45,798.30
  4. Step 4: Simplify right side
    115,918.38x = 7,966,116,457.48
  5. Step 5: Solve for x
    x = 7,966,116,457.48/115,918.38
  6. Step 6: Final answer
    x = 68,721.77

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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.