Home / 121,448.14-180,951.11-114,657.50

Finding the Fourth Proportional to 121,448.14, 180,951.11 and 114,657.50

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Solution

The fourth proportional to 121,448.14, 180,951.11 and 114,657.50 is: 170,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,448.14 : 180,951.11 = 114,657.50 : x
  2. Step 2: Convert to fraction form
    121,448.14/180,951.11 = 114,657.50/x
  3. Step 3: Cross multiply
    121,448.14x = 180,951.11 × 114,657.50
  4. Step 4: Simplify right side
    121,448.14x = 20,747,401,894.83
  5. Step 5: Solve for x
    x = 20,747,401,894.83/121,448.14
  6. Step 6: Final answer
    x = 170,833.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.