Home / 209,245.80-288,752.94-113,750.04

Finding the Fourth Proportional to 209,245.80, 288,752.94 and 113,750.04

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Solution

The fourth proportional to 209,245.80, 288,752.94 and 113,750.04 is: 156,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,245.80 : 288,752.94 = 113,750.04 : x
  2. Step 2: Convert to fraction form
    209,245.80/288,752.94 = 113,750.04/x
  3. Step 3: Cross multiply
    209,245.80x = 288,752.94 × 113,750.04
  4. Step 4: Simplify right side
    209,245.80x = 32,845,658,475.12
  5. Step 5: Solve for x
    x = 32,845,658,475.12/209,245.80
  6. Step 6: Final answer
    x = 156,971.65

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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.