Home / 217,259.74-299,817.66-126,669.34

Finding the Fourth Proportional to 217,259.74, 299,817.66 and 126,669.34

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Solution

The fourth proportional to 217,259.74, 299,817.66 and 126,669.34 is: 174,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,259.74 : 299,817.66 = 126,669.34 : x
  2. Step 2: Convert to fraction form
    217,259.74/299,817.66 = 126,669.34/x
  3. Step 3: Cross multiply
    217,259.74x = 299,817.66 × 126,669.34
  4. Step 4: Simplify right side
    217,259.74x = 37,977,705,112.54
  5. Step 5: Solve for x
    x = 37,977,705,112.54/217,259.74
  6. Step 6: Final answer
    x = 174,803.23

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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.