Home / 155,314.20-233,003.70-88,699.80

Finding the Fourth Proportional to 155,314.20, 233,003.70 and 88,699.80

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Solution

The fourth proportional to 155,314.20, 233,003.70 and 88,699.80 is: 133,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,314.20 : 233,003.70 = 88,699.80 : x
  2. Step 2: Convert to fraction form
    155,314.20/233,003.70 = 88,699.80/x
  3. Step 3: Cross multiply
    155,314.20x = 233,003.70 × 88,699.80
  4. Step 4: Simplify right side
    155,314.20x = 20,667,381,589.26
  5. Step 5: Solve for x
    x = 20,667,381,589.26/155,314.20
  6. Step 6: Final answer
    x = 133,068.20

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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.