Home / 136,284.30-203,027.88-130,136.25

Finding the Fourth Proportional to 136,284.30, 203,027.88 and 130,136.25

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Solution

The fourth proportional to 136,284.30, 203,027.88 and 130,136.25 is: 193,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,284.30 : 203,027.88 = 130,136.25 : x
  2. Step 2: Convert to fraction form
    136,284.30/203,027.88 = 130,136.25/x
  3. Step 3: Cross multiply
    136,284.30x = 203,027.88 × 130,136.25
  4. Step 4: Simplify right side
    136,284.30x = 26,421,286,948.65
  5. Step 5: Solve for x
    x = 26,421,286,948.65/136,284.30
  6. Step 6: Final answer
    x = 193,868.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.