Home / 217,197.05-299,731.52-132,314.11

Finding the Fourth Proportional to 217,197.05, 299,731.52 and 132,314.11

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Solution

The fourth proportional to 217,197.05, 299,731.52 and 132,314.11 is: 182,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,197.05 : 299,731.52 = 132,314.11 : x
  2. Step 2: Convert to fraction form
    217,197.05/299,731.52 = 132,314.11/x
  3. Step 3: Cross multiply
    217,197.05x = 299,731.52 × 132,314.11
  4. Step 4: Simplify right side
    217,197.05x = 39,658,708,889.20
  5. Step 5: Solve for x
    x = 39,658,708,889.20/217,197.05
  6. Step 6: Final answer
    x = 182,593.22

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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.