Home / 156,902.40-235,207.80-109,517.40

Finding the Fourth Proportional to 156,902.40, 235,207.80 and 109,517.40

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Solution

The fourth proportional to 156,902.40, 235,207.80 and 109,517.40 is: 164,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.40 : 235,207.80 = 109,517.40 : x
  2. Step 2: Convert to fraction form
    156,902.40/235,207.80 = 109,517.40/x
  3. Step 3: Cross multiply
    156,902.40x = 235,207.80 × 109,517.40
  4. Step 4: Simplify right side
    156,902.40x = 25,759,346,715.72
  5. Step 5: Solve for x
    x = 25,759,346,715.72/156,902.40
  6. Step 6: Final answer
    x = 164,174.33

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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.