Home / 208,856.58-288,222.35-113,363.25

Finding the Fourth Proportional to 208,856.58, 288,222.35 and 113,363.25

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Solution

The fourth proportional to 208,856.58, 288,222.35 and 113,363.25 is: 156,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,856.58 : 288,222.35 = 113,363.25 : x
  2. Step 2: Convert to fraction form
    208,856.58/288,222.35 = 113,363.25/x
  3. Step 3: Cross multiply
    208,856.58x = 288,222.35 × 113,363.25
  4. Step 4: Simplify right side
    208,856.58x = 32,673,821,751.82
  5. Step 5: Solve for x
    x = 32,673,821,751.82/208,856.58
  6. Step 6: Final answer
    x = 156,441.43

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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.