Home / 108,146.54-162,220.32-70,942.23

Finding the Fourth Proportional to 108,146.54, 162,220.32 and 70,942.23

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Solution

The fourth proportional to 108,146.54, 162,220.32 and 70,942.23 is: 106,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,146.54 : 162,220.32 = 70,942.23 : x
  2. Step 2: Convert to fraction form
    108,146.54/162,220.32 = 70,942.23/x
  3. Step 3: Cross multiply
    108,146.54x = 162,220.32 × 70,942.23
  4. Step 4: Simplify right side
    108,146.54x = 11,508,271,252.11
  5. Step 5: Solve for x
    x = 11,508,271,252.11/108,146.54
  6. Step 6: Final answer
    x = 106,413.68

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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.