Home / 135,963.12-204,011.64-61,136.13

Finding the Fourth Proportional to 135,963.12, 204,011.64 and 61,136.13

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Solution

The fourth proportional to 135,963.12, 204,011.64 and 61,136.13 is: 91,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,963.12 : 204,011.64 = 61,136.13 : x
  2. Step 2: Convert to fraction form
    135,963.12/204,011.64 = 61,136.13/x
  3. Step 3: Cross multiply
    135,963.12x = 204,011.64 × 61,136.13
  4. Step 4: Simplify right side
    135,963.12x = 12,472,482,144.55
  5. Step 5: Solve for x
    x = 12,472,482,144.55/135,963.12
  6. Step 6: Final answer
    x = 91,734.30

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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.