Home / 155,436.90-233,174.43-55,607.64

Finding the Fourth Proportional to 155,436.90, 233,174.43 and 55,607.64

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Solution

The fourth proportional to 155,436.90, 233,174.43 and 55,607.64 is: 83,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,436.90 : 233,174.43 = 55,607.64 : x
  2. Step 2: Convert to fraction form
    155,436.90/233,174.43 = 55,607.64/x
  3. Step 3: Cross multiply
    155,436.90x = 233,174.43 × 55,607.64
  4. Step 4: Simplify right side
    155,436.90x = 12,966,279,760.65
  5. Step 5: Solve for x
    x = 12,966,279,760.65/155,436.90
  6. Step 6: Final answer
    x = 83,418.29

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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.