Home / 208,799.22-288,143.70-113,305.93

Finding the Fourth Proportional to 208,799.22, 288,143.70 and 113,305.93

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Solution

The fourth proportional to 208,799.22, 288,143.70 and 113,305.93 is: 156,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,799.22 : 288,143.70 = 113,305.93 : x
  2. Step 2: Convert to fraction form
    208,799.22/288,143.70 = 113,305.93/x
  3. Step 3: Cross multiply
    208,799.22x = 288,143.70 × 113,305.93
  4. Step 4: Simplify right side
    208,799.22x = 32,648,389,902.14
  5. Step 5: Solve for x
    x = 32,648,389,902.14/208,799.22
  6. Step 6: Final answer
    x = 156,362.60

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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.