Home / 105,828.30-158,701.09-38,344.31

Finding the Fourth Proportional to 105,828.30, 158,701.09 and 38,344.31

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Solution

The fourth proportional to 105,828.30, 158,701.09 and 38,344.31 is: 57,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,828.30 : 158,701.09 = 38,344.31 : x
  2. Step 2: Convert to fraction form
    105,828.30/158,701.09 = 38,344.31/x
  3. Step 3: Cross multiply
    105,828.30x = 158,701.09 × 38,344.31
  4. Step 4: Simplify right side
    105,828.30x = 6,085,283,854.54
  5. Step 5: Solve for x
    x = 6,085,283,854.54/105,828.30
  6. Step 6: Final answer
    x = 57,501.48

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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.