Home / 131,801.04-197,721.36-38,294.64

Finding the Fourth Proportional to 131,801.04, 197,721.36 and 38,294.64

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Solution

The fourth proportional to 131,801.04, 197,721.36 and 38,294.64 is: 57,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,801.04 : 197,721.36 = 38,294.64 : x
  2. Step 2: Convert to fraction form
    131,801.04/197,721.36 = 38,294.64/x
  3. Step 3: Cross multiply
    131,801.04x = 197,721.36 × 38,294.64
  4. Step 4: Simplify right side
    131,801.04x = 7,571,668,301.51
  5. Step 5: Solve for x
    x = 7,571,668,301.51/131,801.04
  6. Step 6: Final answer
    x = 57,447.71

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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.