Home / 295,169.92-442,786.53-81,938.74

Finding the Fourth Proportional to 295,169.92, 442,786.53 and 81,938.74

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Solution

The fourth proportional to 295,169.92, 442,786.53 and 81,938.74 is: 122,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,169.92 : 442,786.53 = 81,938.74 : x
  2. Step 2: Convert to fraction form
    295,169.92/442,786.53 = 81,938.74/x
  3. Step 3: Cross multiply
    295,169.92x = 442,786.53 × 81,938.74
  4. Step 4: Simplify right side
    295,169.92x = 36,281,369,696.34
  5. Step 5: Solve for x
    x = 36,281,369,696.34/295,169.92
  6. Step 6: Final answer
    x = 122,916.89

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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.