Home / 261,644.09-361,072.62-146,947.55

Finding the Fourth Proportional to 261,644.09, 361,072.62 and 146,947.55

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Solution

The fourth proportional to 261,644.09, 361,072.62 and 146,947.55 is: 202,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,644.09 : 361,072.62 = 146,947.55 : x
  2. Step 2: Convert to fraction form
    261,644.09/361,072.62 = 146,947.55/x
  3. Step 3: Cross multiply
    261,644.09x = 361,072.62 × 146,947.55
  4. Step 4: Simplify right side
    261,644.09x = 53,058,736,881.08
  5. Step 5: Solve for x
    x = 53,058,736,881.08/261,644.09
  6. Step 6: Final answer
    x = 202,789.74

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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.