Home / 118,685.27-177,904.84-74,209.92

Finding the Fourth Proportional to 118,685.27, 177,904.84 and 74,209.92

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Solution

The fourth proportional to 118,685.27, 177,904.84 and 74,209.92 is: 111,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,685.27 : 177,904.84 = 74,209.92 : x
  2. Step 2: Convert to fraction form
    118,685.27/177,904.84 = 74,209.92/x
  3. Step 3: Cross multiply
    118,685.27x = 177,904.84 × 74,209.92
  4. Step 4: Simplify right side
    118,685.27x = 13,202,303,944.01
  5. Step 5: Solve for x
    x = 13,202,303,944.01/118,685.27
  6. Step 6: Final answer
    x = 111,237.93

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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.