Home / 209,202.15-288,697.23-113,708.55

Finding the Fourth Proportional to 209,202.15, 288,697.23 and 113,708.55

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Solution

The fourth proportional to 209,202.15, 288,697.23 and 113,708.55 is: 156,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,202.15 : 288,697.23 = 113,708.55 : x
  2. Step 2: Convert to fraction form
    209,202.15/288,697.23 = 113,708.55/x
  3. Step 3: Cross multiply
    209,202.15x = 288,697.23 × 113,708.55
  4. Step 4: Simplify right side
    209,202.15x = 32,827,343,412.32
  5. Step 5: Solve for x
    x = 32,827,343,412.32/209,202.15
  6. Step 6: Final answer
    x = 156,916.85

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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.