Home / 159,136.63-219,496.15-135,097.85

Finding the Fourth Proportional to 159,136.63, 219,496.15 and 135,097.85

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Solution

The fourth proportional to 159,136.63, 219,496.15 and 135,097.85 is: 186,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,136.63 : 219,496.15 = 135,097.85 : x
  2. Step 2: Convert to fraction form
    159,136.63/219,496.15 = 135,097.85/x
  3. Step 3: Cross multiply
    159,136.63x = 219,496.15 × 135,097.85
  4. Step 4: Simplify right side
    159,136.63x = 29,653,457,948.28
  5. Step 5: Solve for x
    x = 29,653,457,948.28/159,136.63
  6. Step 6: Final answer
    x = 186,339.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.