Home / 217,094.28-325,769.85-121,112.34

Finding the Fourth Proportional to 217,094.28, 325,769.85 and 121,112.34

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Solution

The fourth proportional to 217,094.28, 325,769.85 and 121,112.34 is: 181,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,094.28 : 325,769.85 = 121,112.34 : x
  2. Step 2: Convert to fraction form
    217,094.28/325,769.85 = 121,112.34/x
  3. Step 3: Cross multiply
    217,094.28x = 325,769.85 × 121,112.34
  4. Step 4: Simplify right side
    217,094.28x = 39,454,748,834.95
  5. Step 5: Solve for x
    x = 39,454,748,834.95/217,094.28
  6. Step 6: Final answer
    x = 181,740.16

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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.