Home / 149,529.16-206,343.30-85,822.12

Finding the Fourth Proportional to 149,529.16, 206,343.30 and 85,822.12

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Solution

The fourth proportional to 149,529.16, 206,343.30 and 85,822.12 is: 118,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,529.16 : 206,343.30 = 85,822.12 : x
  2. Step 2: Convert to fraction form
    149,529.16/206,343.30 = 85,822.12/x
  3. Step 3: Cross multiply
    149,529.16x = 206,343.30 × 85,822.12
  4. Step 4: Simplify right side
    149,529.16x = 17,708,819,453.80
  5. Step 5: Solve for x
    x = 17,708,819,453.80/149,529.16
  6. Step 6: Final answer
    x = 118,430.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.