Home / 237,399.21-327,615.03-129,967.56

Finding the Fourth Proportional to 237,399.21, 327,615.03 and 129,967.56

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Solution

The fourth proportional to 237,399.21, 327,615.03 and 129,967.56 is: 179,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,399.21 : 327,615.03 = 129,967.56 : x
  2. Step 2: Convert to fraction form
    237,399.21/327,615.03 = 129,967.56/x
  3. Step 3: Cross multiply
    237,399.21x = 327,615.03 × 129,967.56
  4. Step 4: Simplify right side
    237,399.21x = 42,579,326,068.43
  5. Step 5: Solve for x
    x = 42,579,326,068.43/237,399.21
  6. Step 6: Final answer
    x = 179,357.49

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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.