Home / 208,925.14-288,316.69-113,431.85

Finding the Fourth Proportional to 208,925.14, 288,316.69 and 113,431.85

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Solution

The fourth proportional to 208,925.14, 288,316.69 and 113,431.85 is: 156,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,925.14 : 288,316.69 = 113,431.85 : x
  2. Step 2: Convert to fraction form
    208,925.14/288,316.69 = 113,431.85/x
  3. Step 3: Cross multiply
    208,925.14x = 288,316.69 × 113,431.85
  4. Step 4: Simplify right side
    208,925.14x = 32,704,295,532.58
  5. Step 5: Solve for x
    x = 32,704,295,532.58/208,925.14
  6. Step 6: Final answer
    x = 156,535.95

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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.