Home / 136,308.72-204,448.51-47,563.91

Finding the Fourth Proportional to 136,308.72, 204,448.51 and 47,563.91

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Solution

The fourth proportional to 136,308.72, 204,448.51 and 47,563.91 is: 71,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,308.72 : 204,448.51 = 47,563.91 : x
  2. Step 2: Convert to fraction form
    136,308.72/204,448.51 = 47,563.91/x
  3. Step 3: Cross multiply
    136,308.72x = 204,448.51 × 47,563.91
  4. Step 4: Simplify right side
    136,308.72x = 9,724,370,065.62
  5. Step 5: Solve for x
    x = 9,724,370,065.62/136,308.72
  6. Step 6: Final answer
    x = 71,340.78

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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.