Home / 208,846.20-288,208.02-113,352.90

Finding the Fourth Proportional to 208,846.20, 288,208.02 and 113,352.90

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Solution

The fourth proportional to 208,846.20, 288,208.02 and 113,352.90 is: 156,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.20 : 288,208.02 = 113,352.90 : x
  2. Step 2: Convert to fraction form
    208,846.20/288,208.02 = 113,352.90/x
  3. Step 3: Cross multiply
    208,846.20x = 288,208.02 × 113,352.90
  4. Step 4: Simplify right side
    208,846.20x = 32,669,214,870.26
  5. Step 5: Solve for x
    x = 32,669,214,870.26/208,846.20
  6. Step 6: Final answer
    x = 156,427.15

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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.