Home / 155,419.39-233,129.09-102,816.57

Finding the Fourth Proportional to 155,419.39, 233,129.09 and 102,816.57

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Solution

The fourth proportional to 155,419.39, 233,129.09 and 102,816.57 is: 154,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,419.39 : 233,129.09 = 102,816.57 : x
  2. Step 2: Convert to fraction form
    155,419.39/233,129.09 = 102,816.57/x
  3. Step 3: Cross multiply
    155,419.39x = 233,129.09 × 102,816.57
  4. Step 4: Simplify right side
    155,419.39x = 23,969,533,401.02
  5. Step 5: Solve for x
    x = 23,969,533,401.02/155,419.39
  6. Step 6: Final answer
    x = 154,224.86

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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.