Home / 98,021.13-147,032.69-38,857.29

Finding the Fourth Proportional to 98,021.13, 147,032.69 and 38,857.29

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Solution

The fourth proportional to 98,021.13, 147,032.69 and 38,857.29 is: 58,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,021.13 : 147,032.69 = 38,857.29 : x
  2. Step 2: Convert to fraction form
    98,021.13/147,032.69 = 38,857.29/x
  3. Step 3: Cross multiply
    98,021.13x = 147,032.69 × 38,857.29
  4. Step 4: Simplify right side
    98,021.13x = 5,713,291,680.52
  5. Step 5: Solve for x
    x = 5,713,291,680.52/98,021.13
  6. Step 6: Final answer
    x = 58,286.33

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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.