Home / 156,624.60-234,936.90-109,385.40

Finding the Fourth Proportional to 156,624.60, 234,936.90 and 109,385.40

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Solution

The fourth proportional to 156,624.60, 234,936.90 and 109,385.40 is: 164,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,624.60 : 234,936.90 = 109,385.40 : x
  2. Step 2: Convert to fraction form
    156,624.60/234,936.90 = 109,385.40/x
  3. Step 3: Cross multiply
    156,624.60x = 234,936.90 × 109,385.40
  4. Step 4: Simplify right side
    156,624.60x = 25,698,666,781.26
  5. Step 5: Solve for x
    x = 25,698,666,781.26/156,624.60
  6. Step 6: Final answer
    x = 164,078.10

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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.