Home / 208,846.02-288,205.11-113,352.78

Finding the Fourth Proportional to 208,846.02, 288,205.11 and 113,352.78

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Solution

The fourth proportional to 208,846.02, 288,205.11 and 113,352.78 is: 156,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.02 : 288,205.11 = 113,352.78 : x
  2. Step 2: Convert to fraction form
    208,846.02/288,205.11 = 113,352.78/x
  3. Step 3: Cross multiply
    208,846.02x = 288,205.11 × 113,352.78
  4. Step 4: Simplify right side
    208,846.02x = 32,668,850,428.71
  5. Step 5: Solve for x
    x = 32,668,850,428.71/208,846.02
  6. Step 6: Final answer
    x = 156,425.54

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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.