Home / 92,969.09-139,463.55-29,766.61

Finding the Fourth Proportional to 92,969.09, 139,463.55 and 29,766.61

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Solution

The fourth proportional to 92,969.09, 139,463.55 and 29,766.61 is: 44,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,969.09 : 139,463.55 = 29,766.61 : x
  2. Step 2: Convert to fraction form
    92,969.09/139,463.55 = 29,766.61/x
  3. Step 3: Cross multiply
    92,969.09x = 139,463.55 × 29,766.61
  4. Step 4: Simplify right side
    92,969.09x = 4,151,357,102.07
  5. Step 5: Solve for x
    x = 4,151,357,102.07/92,969.09
  6. Step 6: Final answer
    x = 44,653.09

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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.