Home / 209,349.46-288,894-113,856.04

Finding the Fourth Proportional to 209,349.46, 288,894 and 113,856.04

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Solution

The fourth proportional to 209,349.46, 288,894 and 113,856.04 is: 157,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,349.46 : 288,894 = 113,856.04 : x
  2. Step 2: Convert to fraction form
    209,349.46/288,894 = 113,856.04/x
  3. Step 3: Cross multiply
    209,349.46x = 288,894 × 113,856.04
  4. Step 4: Simplify right side
    209,349.46x = 32,892,326,819.76
  5. Step 5: Solve for x
    x = 32,892,326,819.76/209,349.46
  6. Step 6: Final answer
    x = 157,116.85

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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.