Home / 125,711.32-188,567-36,964.84

Finding the Fourth Proportional to 125,711.32, 188,567 and 36,964.84

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Solution

The fourth proportional to 125,711.32, 188,567 and 36,964.84 is: 55,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,711.32 : 188,567 = 36,964.84 : x
  2. Step 2: Convert to fraction form
    125,711.32/188,567 = 36,964.84/x
  3. Step 3: Cross multiply
    125,711.32x = 188,567 × 36,964.84
  4. Step 4: Simplify right side
    125,711.32x = 6,970,348,984.28
  5. Step 5: Solve for x
    x = 6,970,348,984.28/125,711.32
  6. Step 6: Final answer
    x = 55,447.27

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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.