Home / 136,771.65-205,136.96-43,265.25

Finding the Fourth Proportional to 136,771.65, 205,136.96 and 43,265.25

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Solution

The fourth proportional to 136,771.65, 205,136.96 and 43,265.25 is: 64,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,771.65 : 205,136.96 = 43,265.25 : x
  2. Step 2: Convert to fraction form
    136,771.65/205,136.96 = 43,265.25/x
  3. Step 3: Cross multiply
    136,771.65x = 205,136.96 × 43,265.25
  4. Step 4: Simplify right side
    136,771.65x = 8,875,301,642.31
  5. Step 5: Solve for x
    x = 8,875,301,642.31/136,771.65
  6. Step 6: Final answer
    x = 64,891.38

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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.