Home / 165,017.32-247,486.30-76,185.48

Finding the Fourth Proportional to 165,017.32, 247,486.30 and 76,185.48

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Solution

The fourth proportional to 165,017.32, 247,486.30 and 76,185.48 is: 114,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,017.32 : 247,486.30 = 76,185.48 : x
  2. Step 2: Convert to fraction form
    165,017.32/247,486.30 = 76,185.48/x
  3. Step 3: Cross multiply
    165,017.32x = 247,486.30 × 76,185.48
  4. Step 4: Simplify right side
    165,017.32x = 18,854,862,558.92
  5. Step 5: Solve for x
    x = 18,854,862,558.92/165,017.32
  6. Step 6: Final answer
    x = 114,259.90

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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.