Home / 136,385.10-204,618.96-106,502.58

Finding the Fourth Proportional to 136,385.10, 204,618.96 and 106,502.58

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Solution

The fourth proportional to 136,385.10, 204,618.96 and 106,502.58 is: 159,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,385.10 : 204,618.96 = 106,502.58 : x
  2. Step 2: Convert to fraction form
    136,385.10/204,618.96 = 106,502.58/x
  3. Step 3: Cross multiply
    136,385.10x = 204,618.96 × 106,502.58
  4. Step 4: Simplify right side
    136,385.10x = 21,792,447,156.92
  5. Step 5: Solve for x
    x = 21,792,447,156.92/136,385.10
  6. Step 6: Final answer
    x = 159,786.13

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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.