Home / 156,942.20-235,413.30-144,961.40

Finding the Fourth Proportional to 156,942.20, 235,413.30 and 144,961.40

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Solution

The fourth proportional to 156,942.20, 235,413.30 and 144,961.40 is: 217,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.20 : 235,413.30 = 144,961.40 : x
  2. Step 2: Convert to fraction form
    156,942.20/235,413.30 = 144,961.40/x
  3. Step 3: Cross multiply
    156,942.20x = 235,413.30 × 144,961.40
  4. Step 4: Simplify right side
    156,942.20x = 34,125,841,546.62
  5. Step 5: Solve for x
    x = 34,125,841,546.62/156,942.20
  6. Step 6: Final answer
    x = 217,442.10

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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.