Home / 149,516.53-206,337.79-81,537.22

Finding the Fourth Proportional to 149,516.53, 206,337.79 and 81,537.22

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Solution

The fourth proportional to 149,516.53, 206,337.79 and 81,537.22 is: 112,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,516.53 : 206,337.79 = 81,537.22 : x
  2. Step 2: Convert to fraction form
    149,516.53/206,337.79 = 81,537.22/x
  3. Step 3: Cross multiply
    149,516.53x = 206,337.79 × 81,537.22
  4. Step 4: Simplify right side
    149,516.53x = 16,824,209,984.51
  5. Step 5: Solve for x
    x = 16,824,209,984.51/149,516.53
  6. Step 6: Final answer
    x = 112,524.08

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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.