Home / 155,433.40-233,265.30-102,825.40

Finding the Fourth Proportional to 155,433.40, 233,265.30 and 102,825.40

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Solution

The fourth proportional to 155,433.40, 233,265.30 and 102,825.40 is: 154,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,433.40 : 233,265.30 = 102,825.40 : x
  2. Step 2: Convert to fraction form
    155,433.40/233,265.30 = 102,825.40/x
  3. Step 3: Cross multiply
    155,433.40x = 233,265.30 × 102,825.40
  4. Step 4: Simplify right side
    155,433.40x = 23,985,597,778.62
  5. Step 5: Solve for x
    x = 23,985,597,778.62/155,433.40
  6. Step 6: Final answer
    x = 154,314.31

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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.