Home / 156,942.10-235,413.15-112,474.90

Finding the Fourth Proportional to 156,942.10, 235,413.15 and 112,474.90

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Solution

The fourth proportional to 156,942.10, 235,413.15 and 112,474.90 is: 168,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.10 : 235,413.15 = 112,474.90 : x
  2. Step 2: Convert to fraction form
    156,942.10/235,413.15 = 112,474.90/x
  3. Step 3: Cross multiply
    156,942.10x = 235,413.15 × 112,474.90
  4. Step 4: Simplify right side
    156,942.10x = 26,478,070,504.94
  5. Step 5: Solve for x
    x = 26,478,070,504.94/156,942.10
  6. Step 6: Final answer
    x = 168,712.35

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1.5x scale

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.