Home / 217,255.74-299,812.23-126,665.34

Finding the Fourth Proportional to 217,255.74, 299,812.23 and 126,665.34

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Solution

The fourth proportional to 217,255.74, 299,812.23 and 126,665.34 is: 174,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,255.74 : 299,812.23 = 126,665.34 : x
  2. Step 2: Convert to fraction form
    217,255.74/299,812.23 = 126,665.34/x
  3. Step 3: Cross multiply
    217,255.74x = 299,812.23 × 126,665.34
  4. Step 4: Simplify right side
    217,255.74x = 37,975,818,049.11
  5. Step 5: Solve for x
    x = 37,975,818,049.11/217,255.74
  6. Step 6: Final answer
    x = 174,797.77

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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.