Home / 146,553.18-219,822.96-61,128.78

Finding the Fourth Proportional to 146,553.18, 219,822.96 and 61,128.78

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Solution

The fourth proportional to 146,553.18, 219,822.96 and 61,128.78 is: 91,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,553.18 : 219,822.96 = 61,128.78 : x
  2. Step 2: Convert to fraction form
    146,553.18/219,822.96 = 61,128.78/x
  3. Step 3: Cross multiply
    146,553.18x = 219,822.96 × 61,128.78
  4. Step 4: Simplify right side
    146,553.18x = 13,437,509,360.79
  5. Step 5: Solve for x
    x = 13,437,509,360.79/146,553.18
  6. Step 6: Final answer
    x = 91,690.33

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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.