Home / 121,178.73-167,202.23-73,404.33

Finding the Fourth Proportional to 121,178.73, 167,202.23 and 73,404.33

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Solution

The fourth proportional to 121,178.73, 167,202.23 and 73,404.33 is: 101,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,178.73 : 167,202.23 = 73,404.33 : x
  2. Step 2: Convert to fraction form
    121,178.73/167,202.23 = 73,404.33/x
  3. Step 3: Cross multiply
    121,178.73x = 167,202.23 × 73,404.33
  4. Step 4: Simplify right side
    121,178.73x = 12,273,366,673.63
  5. Step 5: Solve for x
    x = 12,273,366,673.63/121,178.73
  6. Step 6: Final answer
    x = 101,283.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.