Home / 208,842.11-288,202.40-113,348.82

Finding the Fourth Proportional to 208,842.11, 288,202.40 and 113,348.82

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Solution

The fourth proportional to 208,842.11, 288,202.40 and 113,348.82 is: 156,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,842.11 : 288,202.40 = 113,348.82 : x
  2. Step 2: Convert to fraction form
    208,842.11/288,202.40 = 113,348.82/x
  3. Step 3: Cross multiply
    208,842.11x = 288,202.40 × 113,348.82
  4. Step 4: Simplify right side
    208,842.11x = 32,667,401,916.69
  5. Step 5: Solve for x
    x = 32,667,401,916.69/208,842.11
  6. Step 6: Final answer
    x = 156,421.52

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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.