Home / 209,354.46-288,900.90-113,861.04

Finding the Fourth Proportional to 209,354.46, 288,900.90 and 113,861.04

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Solution

The fourth proportional to 209,354.46, 288,900.90 and 113,861.04 is: 157,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,354.46 : 288,900.90 = 113,861.04 : x
  2. Step 2: Convert to fraction form
    209,354.46/288,900.90 = 113,861.04/x
  3. Step 3: Cross multiply
    209,354.46x = 288,900.90 × 113,861.04
  4. Step 4: Simplify right side
    209,354.46x = 32,894,556,930.94
  5. Step 5: Solve for x
    x = 32,894,556,930.94/209,354.46
  6. Step 6: Final answer
    x = 157,123.75

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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.