Home / 208,892.20-288,271.56-113,398.96

Finding the Fourth Proportional to 208,892.20, 288,271.56 and 113,398.96

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Solution

The fourth proportional to 208,892.20, 288,271.56 and 113,398.96 is: 156,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,892.20 : 288,271.56 = 113,398.96 : x
  2. Step 2: Convert to fraction form
    208,892.20/288,271.56 = 113,398.96/x
  3. Step 3: Cross multiply
    208,892.20x = 288,271.56 × 113,398.96
  4. Step 4: Simplify right side
    208,892.20x = 32,689,695,101.58
  5. Step 5: Solve for x
    x = 32,689,695,101.58/208,892.20
  6. Step 6: Final answer
    x = 156,490.74

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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.