Home / 101,921.65-152,859.23-38,748.79

Finding the Fourth Proportional to 101,921.65, 152,859.23 and 38,748.79

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Solution

The fourth proportional to 101,921.65, 152,859.23 and 38,748.79 is: 58,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,921.65 : 152,859.23 = 38,748.79 : x
  2. Step 2: Convert to fraction form
    101,921.65/152,859.23 = 38,748.79/x
  3. Step 3: Cross multiply
    101,921.65x = 152,859.23 × 38,748.79
  4. Step 4: Simplify right side
    101,921.65x = 5,923,110,133.52
  5. Step 5: Solve for x
    x = 5,923,110,133.52/101,921.65
  6. Step 6: Final answer
    x = 58,114.35

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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.