Home / 149,507.31-206,337.60-84,986.24

Finding the Fourth Proportional to 149,507.31, 206,337.60 and 84,986.24

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Solution

The fourth proportional to 149,507.31, 206,337.60 and 84,986.24 is: 117,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,507.31 : 206,337.60 = 84,986.24 : x
  2. Step 2: Convert to fraction form
    149,507.31/206,337.60 = 84,986.24/x
  3. Step 3: Cross multiply
    149,507.31x = 206,337.60 × 84,986.24
  4. Step 4: Simplify right side
    149,507.31x = 17,535,855,762.94
  5. Step 5: Solve for x
    x = 17,535,855,762.94/149,507.31
  6. Step 6: Final answer
    x = 117,290.96

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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.