Home / 118,078.18-177,118.07-43,167.51

Finding the Fourth Proportional to 118,078.18, 177,118.07 and 43,167.51

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Solution

The fourth proportional to 118,078.18, 177,118.07 and 43,167.51 is: 64,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,078.18 : 177,118.07 = 43,167.51 : x
  2. Step 2: Convert to fraction form
    118,078.18/177,118.07 = 43,167.51/x
  3. Step 3: Cross multiply
    118,078.18x = 177,118.07 × 43,167.51
  4. Step 4: Simplify right side
    118,078.18x = 7,645,746,057.91
  5. Step 5: Solve for x
    x = 7,645,746,057.91/118,078.18
  6. Step 6: Final answer
    x = 64,751.56

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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.