Home / 217,010.84-299,475.42-121,517.24

Finding the Fourth Proportional to 217,010.84, 299,475.42 and 121,517.24

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Solution

The fourth proportional to 217,010.84, 299,475.42 and 121,517.24 is: 167,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,010.84 : 299,475.42 = 121,517.24 : x
  2. Step 2: Convert to fraction form
    217,010.84/299,475.42 = 121,517.24/x
  3. Step 3: Cross multiply
    217,010.84x = 299,475.42 × 121,517.24
  4. Step 4: Simplify right side
    217,010.84x = 36,391,426,486.24
  5. Step 5: Solve for x
    x = 36,391,426,486.24/217,010.84
  6. Step 6: Final answer
    x = 167,694.05

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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.