Home / 118,727.22-177,935.76-90,544.08

Finding the Fourth Proportional to 118,727.22, 177,935.76 and 90,544.08

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Solution

The fourth proportional to 118,727.22, 177,935.76 and 90,544.08 is: 135,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,727.22 : 177,935.76 = 90,544.08 : x
  2. Step 2: Convert to fraction form
    118,727.22/177,935.76 = 90,544.08/x
  3. Step 3: Cross multiply
    118,727.22x = 177,935.76 × 90,544.08
  4. Step 4: Simplify right side
    118,727.22x = 16,111,029,688.30
  5. Step 5: Solve for x
    x = 16,111,029,688.30/118,727.22
  6. Step 6: Final answer
    x = 135,697.86

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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.