Home / 118,844.51-178,227.88-55,645.07

Finding the Fourth Proportional to 118,844.51, 178,227.88 and 55,645.07

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Solution

The fourth proportional to 118,844.51, 178,227.88 and 55,645.07 is: 83,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,844.51 : 178,227.88 = 55,645.07 : x
  2. Step 2: Convert to fraction form
    118,844.51/178,227.88 = 55,645.07/x
  3. Step 3: Cross multiply
    118,844.51x = 178,227.88 × 55,645.07
  4. Step 4: Simplify right side
    118,844.51x = 9,917,501,828.30
  5. Step 5: Solve for x
    x = 9,917,501,828.30/118,844.51
  6. Step 6: Final answer
    x = 83,449.39

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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.