Home / 204,507.25-306,901.04-71,387.53

Finding the Fourth Proportional to 204,507.25, 306,901.04 and 71,387.53

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Solution

The fourth proportional to 204,507.25, 306,901.04 and 71,387.53 is: 107,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,507.25 : 306,901.04 = 71,387.53 : x
  2. Step 2: Convert to fraction form
    204,507.25/306,901.04 = 71,387.53/x
  3. Step 3: Cross multiply
    204,507.25x = 306,901.04 × 71,387.53
  4. Step 4: Simplify right side
    204,507.25x = 21,908,906,075.84
  5. Step 5: Solve for x
    x = 21,908,906,075.84/204,507.25
  6. Step 6: Final answer
    x = 107,130.22

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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.