Home / 101,343.24-151,971.12-38,970

Finding the Fourth Proportional to 101,343.24, 151,971.12 and 38,970

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Solution

The fourth proportional to 101,343.24, 151,971.12 and 38,970 is: 58,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,343.24 : 151,971.12 = 38,970 : x
  2. Step 2: Convert to fraction form
    101,343.24/151,971.12 = 38,970/x
  3. Step 3: Cross multiply
    101,343.24x = 151,971.12 × 38,970
  4. Step 4: Simplify right side
    101,343.24x = 5,922,314,546.40
  5. Step 5: Solve for x
    x = 5,922,314,546.40/101,343.24
  6. Step 6: Final answer
    x = 58,438.18

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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.