Home / 103,458.24-155,175.62-28,589.00

Finding the Fourth Proportional to 103,458.24, 155,175.62 and 28,589.00

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Solution

The fourth proportional to 103,458.24, 155,175.62 and 28,589.00 is: 42,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,458.24 : 155,175.62 = 28,589.00 : x
  2. Step 2: Convert to fraction form
    103,458.24/155,175.62 = 28,589.00/x
  3. Step 3: Cross multiply
    103,458.24x = 155,175.62 × 28,589.00
  4. Step 4: Simplify right side
    103,458.24x = 4,436,314,881.36
  5. Step 5: Solve for x
    x = 4,436,314,881.36/103,458.24
  6. Step 6: Final answer
    x = 42,880.25

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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.