Home / 101,701.61-152,577.82-71,774.26

Finding the Fourth Proportional to 101,701.61, 152,577.82 and 71,774.26

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Solution

The fourth proportional to 101,701.61, 152,577.82 and 71,774.26 is: 107,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,701.61 : 152,577.82 = 71,774.26 : x
  2. Step 2: Convert to fraction form
    101,701.61/152,577.82 = 71,774.26/x
  3. Step 3: Cross multiply
    101,701.61x = 152,577.82 × 71,774.26
  4. Step 4: Simplify right side
    101,701.61x = 10,951,159,764.04
  5. Step 5: Solve for x
    x = 10,951,159,764.04/101,701.61
  6. Step 6: Final answer
    x = 107,679.32

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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.