Home / 208,732.05-288,050.34-113,238.74

Finding the Fourth Proportional to 208,732.05, 288,050.34 and 113,238.74

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Solution

The fourth proportional to 208,732.05, 288,050.34 and 113,238.74 is: 156,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,732.05 : 288,050.34 = 113,238.74 : x
  2. Step 2: Convert to fraction form
    208,732.05/288,050.34 = 113,238.74/x
  3. Step 3: Cross multiply
    208,732.05x = 288,050.34 × 113,238.74
  4. Step 4: Simplify right side
    208,732.05x = 32,618,455,551.73
  5. Step 5: Solve for x
    x = 32,618,455,551.73/208,732.05
  6. Step 6: Final answer
    x = 156,269.51

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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.