Home / 131,541.57-197,314.79-42,794.73

Finding the Fourth Proportional to 131,541.57, 197,314.79 and 42,794.73

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Solution

The fourth proportional to 131,541.57, 197,314.79 and 42,794.73 is: 64,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,541.57 : 197,314.79 = 42,794.73 : x
  2. Step 2: Convert to fraction form
    131,541.57/197,314.79 = 42,794.73/x
  3. Step 3: Cross multiply
    131,541.57x = 197,314.79 × 42,794.73
  4. Step 4: Simplify right side
    131,541.57x = 8,444,032,949.08
  5. Step 5: Solve for x
    x = 8,444,032,949.08/131,541.57
  6. Step 6: Final answer
    x = 64,192.89

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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.