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Finding the Fourth Proportional to 101,955.87, 152,862.39 and 38,779.65

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Solution

The fourth proportional to 101,955.87, 152,862.39 and 38,779.65 is: 58,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,955.87 : 152,862.39 = 38,779.65 : x
  2. Step 2: Convert to fraction form
    101,955.87/152,862.39 = 38,779.65/x
  3. Step 3: Cross multiply
    101,955.87x = 152,862.39 × 38,779.65
  4. Step 4: Simplify right side
    101,955.87x = 5,927,949,982.36
  5. Step 5: Solve for x
    x = 5,927,949,982.36/101,955.87
  6. Step 6: Final answer
    x = 58,142.31

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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.