Home / 156,906.90-235,214.55-109,521.90

Finding the Fourth Proportional to 156,906.90, 235,214.55 and 109,521.90

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Solution

The fourth proportional to 156,906.90, 235,214.55 and 109,521.90 is: 164,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,906.90 : 235,214.55 = 109,521.90 : x
  2. Step 2: Convert to fraction form
    156,906.90/235,214.55 = 109,521.90/x
  3. Step 3: Cross multiply
    156,906.90x = 235,214.55 × 109,521.90
  4. Step 4: Simplify right side
    156,906.90x = 25,761,144,423.65
  5. Step 5: Solve for x
    x = 25,761,144,423.65/156,906.90
  6. Step 6: Final answer
    x = 164,181.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.