Home / 217,350.59-299,972.72-126,708.35

Finding the Fourth Proportional to 217,350.59, 299,972.72 and 126,708.35

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Solution

The fourth proportional to 217,350.59, 299,972.72 and 126,708.35 is: 174,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,350.59 : 299,972.72 = 126,708.35 : x
  2. Step 2: Convert to fraction form
    217,350.59/299,972.72 = 126,708.35/x
  3. Step 3: Cross multiply
    217,350.59x = 299,972.72 × 126,708.35
  4. Step 4: Simplify right side
    217,350.59x = 38,009,048,396.21
  5. Step 5: Solve for x
    x = 38,009,048,396.21/217,350.59
  6. Step 6: Final answer
    x = 174,874.37

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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.