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Finding the Fourth Proportional to 195,930.90, 293,896.35 and 48,186.90

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Solution

The fourth proportional to 195,930.90, 293,896.35 and 48,186.90 is: 72,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,930.90 : 293,896.35 = 48,186.90 : x
  2. Step 2: Convert to fraction form
    195,930.90/293,896.35 = 48,186.90/x
  3. Step 3: Cross multiply
    195,930.90x = 293,896.35 × 48,186.90
  4. Step 4: Simplify right side
    195,930.90x = 14,161,954,027.82
  5. Step 5: Solve for x
    x = 14,161,954,027.82/195,930.90
  6. Step 6: Final answer
    x = 72,280.35

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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.