Home / 121,945.59-168,293.16-68,227.62

Finding the Fourth Proportional to 121,945.59, 168,293.16 and 68,227.62

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Solution

The fourth proportional to 121,945.59, 168,293.16 and 68,227.62 is: 94,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,945.59 : 168,293.16 = 68,227.62 : x
  2. Step 2: Convert to fraction form
    121,945.59/168,293.16 = 68,227.62/x
  3. Step 3: Cross multiply
    121,945.59x = 168,293.16 × 68,227.62
  4. Step 4: Simplify right side
    121,945.59x = 11,482,241,769.08
  5. Step 5: Solve for x
    x = 11,482,241,769.08/121,945.59
  6. Step 6: Final answer
    x = 94,158.73

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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.