Home / 209,013.68-288,440.96-113,522.24

Finding the Fourth Proportional to 209,013.68, 288,440.96 and 113,522.24

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Solution

The fourth proportional to 209,013.68, 288,440.96 and 113,522.24 is: 156,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,013.68 : 288,440.96 = 113,522.24 : x
  2. Step 2: Convert to fraction form
    209,013.68/288,440.96 = 113,522.24/x
  3. Step 3: Cross multiply
    209,013.68x = 288,440.96 × 113,522.24
  4. Step 4: Simplify right side
    209,013.68x = 32,744,463,886.95
  5. Step 5: Solve for x
    x = 32,744,463,886.95/209,013.68
  6. Step 6: Final answer
    x = 156,661.82

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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.