Home / 92,868.66-139,166.40-54,878.86

Finding the Fourth Proportional to 92,868.66, 139,166.40 and 54,878.86

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Solution

The fourth proportional to 92,868.66, 139,166.40 and 54,878.86 is: 82,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,868.66 : 139,166.40 = 54,878.86 : x
  2. Step 2: Convert to fraction form
    92,868.66/139,166.40 = 54,878.86/x
  3. Step 3: Cross multiply
    92,868.66x = 139,166.40 × 54,878.86
  4. Step 4: Simplify right side
    92,868.66x = 7,637,293,382.30
  5. Step 5: Solve for x
    x = 7,637,293,382.30/92,868.66
  6. Step 6: Final answer
    x = 82,237.57

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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.