Home / 125,579.40-188,251.98-42,415.24

Finding the Fourth Proportional to 125,579.40, 188,251.98 and 42,415.24

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Solution

The fourth proportional to 125,579.40, 188,251.98 and 42,415.24 is: 63,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,579.40 : 188,251.98 = 42,415.24 : x
  2. Step 2: Convert to fraction form
    125,579.40/188,251.98 = 42,415.24/x
  3. Step 3: Cross multiply
    125,579.40x = 188,251.98 × 42,415.24
  4. Step 4: Simplify right side
    125,579.40x = 7,984,752,912.18
  5. Step 5: Solve for x
    x = 7,984,752,912.18/125,579.40
  6. Step 6: Final answer
    x = 63,583.30

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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.