Home / 111,946.10-167,957.55-49,661.30

Finding the Fourth Proportional to 111,946.10, 167,957.55 and 49,661.30

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Solution

The fourth proportional to 111,946.10, 167,957.55 and 49,661.30 is: 74,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,946.10 : 167,957.55 = 49,661.30 : x
  2. Step 2: Convert to fraction form
    111,946.10/167,957.55 = 49,661.30/x
  3. Step 3: Cross multiply
    111,946.10x = 167,957.55 × 49,661.30
  4. Step 4: Simplify right side
    111,946.10x = 8,340,990,277.82
  5. Step 5: Solve for x
    x = 8,340,990,277.82/111,946.10
  6. Step 6: Final answer
    x = 74,508.98

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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.