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Finding the Fourth Proportional to 146,600.78, 202,330.78 and 92,890.79

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Solution

The fourth proportional to 146,600.78, 202,330.78 and 92,890.79 is: 128,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,600.78 : 202,330.78 = 92,890.79 : x
  2. Step 2: Convert to fraction form
    146,600.78/202,330.78 = 92,890.79/x
  3. Step 3: Cross multiply
    146,600.78x = 202,330.78 × 92,890.79
  4. Step 4: Simplify right side
    146,600.78x = 18,794,666,269.12
  5. Step 5: Solve for x
    x = 18,794,666,269.12/146,600.78
  6. Step 6: Final answer
    x = 128,203.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.