Home / 165,041.10-247,521.78-76,209.18

Finding the Fourth Proportional to 165,041.10, 247,521.78 and 76,209.18

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Solution

The fourth proportional to 165,041.10, 247,521.78 and 76,209.18 is: 114,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,041.10 : 247,521.78 = 76,209.18 : x
  2. Step 2: Convert to fraction form
    165,041.10/247,521.78 = 76,209.18/x
  3. Step 3: Cross multiply
    165,041.10x = 247,521.78 × 76,209.18
  4. Step 4: Simplify right side
    165,041.10x = 18,863,431,885.94
  5. Step 5: Solve for x
    x = 18,863,431,885.94/165,041.10
  6. Step 6: Final answer
    x = 114,295.36

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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.