Home / 208,874.12-288,246.46-113,380.76

Finding the Fourth Proportional to 208,874.12, 288,246.46 and 113,380.76

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Solution

The fourth proportional to 208,874.12, 288,246.46 and 113,380.76 is: 156,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,874.12 : 288,246.46 = 113,380.76 : x
  2. Step 2: Convert to fraction form
    208,874.12/288,246.46 = 113,380.76/x
  3. Step 3: Cross multiply
    208,874.12x = 288,246.46 × 113,380.76
  4. Step 4: Simplify right side
    208,874.12x = 32,681,602,702.11
  5. Step 5: Solve for x
    x = 32,681,602,702.11/208,874.12
  6. Step 6: Final answer
    x = 156,465.54

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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.