Home / 118,081.20-177,121.80-111,684.23

Finding the Fourth Proportional to 118,081.20, 177,121.80 and 111,684.23

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Solution

The fourth proportional to 118,081.20, 177,121.80 and 111,684.23 is: 167,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,081.20 : 177,121.80 = 111,684.23 : x
  2. Step 2: Convert to fraction form
    118,081.20/177,121.80 = 111,684.23/x
  3. Step 3: Cross multiply
    118,081.20x = 177,121.80 × 111,684.23
  4. Step 4: Simplify right side
    118,081.20x = 19,781,710,963.61
  5. Step 5: Solve for x
    x = 19,781,710,963.61/118,081.20
  6. Step 6: Final answer
    x = 167,526.34

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1.5x scale

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.