Home / 107,058.27-147,761.07-61,765.50

Finding the Fourth Proportional to 107,058.27, 147,761.07 and 61,765.50

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Solution

The fourth proportional to 107,058.27, 147,761.07 and 61,765.50 is: 85,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,058.27 : 147,761.07 = 61,765.50 : x
  2. Step 2: Convert to fraction form
    107,058.27/147,761.07 = 61,765.50/x
  3. Step 3: Cross multiply
    107,058.27x = 147,761.07 × 61,765.50
  4. Step 4: Simplify right side
    107,058.27x = 9,126,536,369.09
  5. Step 5: Solve for x
    x = 9,126,536,369.09/107,058.27
  6. Step 6: Final answer
    x = 85,248.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.