Home / 155,936.80-233,905.20-89,351.20

Finding the Fourth Proportional to 155,936.80, 233,905.20 and 89,351.20

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Solution

The fourth proportional to 155,936.80, 233,905.20 and 89,351.20 is: 134,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,936.80 : 233,905.20 = 89,351.20 : x
  2. Step 2: Convert to fraction form
    155,936.80/233,905.20 = 89,351.20/x
  3. Step 3: Cross multiply
    155,936.80x = 233,905.20 × 89,351.20
  4. Step 4: Simplify right side
    155,936.80x = 20,899,710,306.24
  5. Step 5: Solve for x
    x = 20,899,710,306.24/155,936.80
  6. Step 6: Final answer
    x = 134,026.80

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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.