Home / 209,442.24-289,031.76-113,949.72

Finding the Fourth Proportional to 209,442.24, 289,031.76 and 113,949.72

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Solution

The fourth proportional to 209,442.24, 289,031.76 and 113,949.72 is: 157,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,442.24 : 289,031.76 = 113,949.72 : x
  2. Step 2: Convert to fraction form
    209,442.24/289,031.76 = 113,949.72/x
  3. Step 3: Cross multiply
    209,442.24x = 289,031.76 × 113,949.72
  4. Step 4: Simplify right side
    209,442.24x = 32,935,088,123.11
  5. Step 5: Solve for x
    x = 32,935,088,123.11/209,442.24
  6. Step 6: Final answer
    x = 157,251.41

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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.