Home / 136,431.71-204,623.20-47,710.65

Finding the Fourth Proportional to 136,431.71, 204,623.20 and 47,710.65

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Solution

The fourth proportional to 136,431.71, 204,623.20 and 47,710.65 is: 71,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,431.71 : 204,623.20 = 47,710.65 : x
  2. Step 2: Convert to fraction form
    136,431.71/204,623.20 = 47,710.65/x
  3. Step 3: Cross multiply
    136,431.71x = 204,623.20 × 47,710.65
  4. Step 4: Simplify right side
    136,431.71x = 9,762,706,435.68
  5. Step 5: Solve for x
    x = 9,762,706,435.68/136,431.71
  6. Step 6: Final answer
    x = 71,557.46

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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.