Home / 217,609.64-326,151.98-112,371.24

Finding the Fourth Proportional to 217,609.64, 326,151.98 and 112,371.24

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Solution

The fourth proportional to 217,609.64, 326,151.98 and 112,371.24 is: 168,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,609.64 : 326,151.98 = 112,371.24 : x
  2. Step 2: Convert to fraction form
    217,609.64/326,151.98 = 112,371.24/x
  3. Step 3: Cross multiply
    217,609.64x = 326,151.98 × 112,371.24
  4. Step 4: Simplify right side
    217,609.64x = 36,650,102,421.06
  5. Step 5: Solve for x
    x = 36,650,102,421.06/217,609.64
  6. Step 6: Final answer
    x = 168,421.32

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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.