Home / 125,583.40-188,257.98-42,419.24

Finding the Fourth Proportional to 125,583.40, 188,257.98 and 42,419.24

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Solution

The fourth proportional to 125,583.40, 188,257.98 and 42,419.24 is: 63,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,583.40 : 188,257.98 = 42,419.24 : x
  2. Step 2: Convert to fraction form
    125,583.40/188,257.98 = 42,419.24/x
  3. Step 3: Cross multiply
    125,583.40x = 188,257.98 × 42,419.24
  4. Step 4: Simplify right side
    125,583.40x = 7,985,760,435.54
  5. Step 5: Solve for x
    x = 7,985,760,435.54/125,583.40
  6. Step 6: Final answer
    x = 63,589.30

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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.