Home / 125,436.74-188,102.03-50,536.76

Finding the Fourth Proportional to 125,436.74, 188,102.03 and 50,536.76

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Solution

The fourth proportional to 125,436.74, 188,102.03 and 50,536.76 is: 75,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,436.74 : 188,102.03 = 50,536.76 : x
  2. Step 2: Convert to fraction form
    125,436.74/188,102.03 = 50,536.76/x
  3. Step 3: Cross multiply
    125,436.74x = 188,102.03 × 50,536.76
  4. Step 4: Simplify right side
    125,436.74x = 9,506,065,952.43
  5. Step 5: Solve for x
    x = 9,506,065,952.43/125,436.74
  6. Step 6: Final answer
    x = 75,783.75

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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.