Home / 155,443.82-233,141.03-55,585.40

Finding the Fourth Proportional to 155,443.82, 233,141.03 and 55,585.40

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Solution

The fourth proportional to 155,443.82, 233,141.03 and 55,585.40 is: 83,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,443.82 : 233,141.03 = 55,585.40 : x
  2. Step 2: Convert to fraction form
    155,443.82/233,141.03 = 55,585.40/x
  3. Step 3: Cross multiply
    155,443.82x = 233,141.03 × 55,585.40
  4. Step 4: Simplify right side
    155,443.82x = 12,959,237,131.04
  5. Step 5: Solve for x
    x = 12,959,237,131.04/155,443.82
  6. Step 6: Final answer
    x = 83,369.27

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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.