Home / 264,631.91-397,007.39-87,132.56

Finding the Fourth Proportional to 264,631.91, 397,007.39 and 87,132.56

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Solution

The fourth proportional to 264,631.91, 397,007.39 and 87,132.56 is: 130,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,631.91 : 397,007.39 = 87,132.56 : x
  2. Step 2: Convert to fraction form
    264,631.91/397,007.39 = 87,132.56/x
  3. Step 3: Cross multiply
    264,631.91x = 397,007.39 × 87,132.56
  4. Step 4: Simplify right side
    264,631.91x = 34,592,268,462.41
  5. Step 5: Solve for x
    x = 34,592,268,462.41/264,631.91
  6. Step 6: Final answer
    x = 130,718.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.