Home / 285,246.20-427,936.80-93,119.61

Finding the Fourth Proportional to 285,246.20, 427,936.80 and 93,119.61

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Solution

The fourth proportional to 285,246.20, 427,936.80 and 93,119.61 is: 139,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,246.20 : 427,936.80 = 93,119.61 : x
  2. Step 2: Convert to fraction form
    285,246.20/427,936.80 = 93,119.61/x
  3. Step 3: Cross multiply
    285,246.20x = 427,936.80 × 93,119.61
  4. Step 4: Simplify right side
    285,246.20x = 39,849,307,920.65
  5. Step 5: Solve for x
    x = 39,849,307,920.65/285,246.20
  6. Step 6: Final answer
    x = 139,701.45

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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.