Home / 146,731.11-220,032.57-51,929.78

Finding the Fourth Proportional to 146,731.11, 220,032.57 and 51,929.78

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Solution

The fourth proportional to 146,731.11, 220,032.57 and 51,929.78 is: 77,871.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,731.11 : 220,032.57 = 51,929.78 : x
  2. Step 2: Convert to fraction form
    146,731.11/220,032.57 = 51,929.78/x
  3. Step 3: Cross multiply
    146,731.11x = 220,032.57 × 51,929.78
  4. Step 4: Simplify right side
    146,731.11x = 11,426,242,952.93
  5. Step 5: Solve for x
    x = 11,426,242,952.93/146,731.11
  6. Step 6: Final answer
    x = 77,871.99

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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.