Home / 100,752.40-151,123.12-30,626.25

Finding the Fourth Proportional to 100,752.40, 151,123.12 and 30,626.25

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Solution

The fourth proportional to 100,752.40, 151,123.12 and 30,626.25 is: 45,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,752.40 : 151,123.12 = 30,626.25 : x
  2. Step 2: Convert to fraction form
    100,752.40/151,123.12 = 30,626.25/x
  3. Step 3: Cross multiply
    100,752.40x = 151,123.12 × 30,626.25
  4. Step 4: Simplify right side
    100,752.40x = 4,628,334,453.90
  5. Step 5: Solve for x
    x = 4,628,334,453.90/100,752.40
  6. Step 6: Final answer
    x = 45,937.71

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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.