Home / 103,257.55-154,888.03-28,377.23

Finding the Fourth Proportional to 103,257.55, 154,888.03 and 28,377.23

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Solution

The fourth proportional to 103,257.55, 154,888.03 and 28,377.23 is: 42,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,257.55 : 154,888.03 = 28,377.23 : x
  2. Step 2: Convert to fraction form
    103,257.55/154,888.03 = 28,377.23/x
  3. Step 3: Cross multiply
    103,257.55x = 154,888.03 × 28,377.23
  4. Step 4: Simplify right side
    103,257.55x = 4,395,293,251.56
  5. Step 5: Solve for x
    x = 4,395,293,251.56/103,257.55
  6. Step 6: Final answer
    x = 42,566.31

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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.