Home / 217,247.74-299,801.19-126,657.34

Finding the Fourth Proportional to 217,247.74, 299,801.19 and 126,657.34

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Solution

The fourth proportional to 217,247.74, 299,801.19 and 126,657.34 is: 174,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,247.74 : 299,801.19 = 126,657.34 : x
  2. Step 2: Convert to fraction form
    217,247.74/299,801.19 = 126,657.34/x
  3. Step 3: Cross multiply
    217,247.74x = 299,801.19 × 126,657.34
  4. Step 4: Simplify right side
    217,247.74x = 37,972,021,254.23
  5. Step 5: Solve for x
    x = 37,972,021,254.23/217,247.74
  6. Step 6: Final answer
    x = 174,786.73

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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.