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Finding the Fourth Proportional to 92,878.83, 139,296.42 and 29,704.59

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Solution

The fourth proportional to 92,878.83, 139,296.42 and 29,704.59 is: 44,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,878.83 : 139,296.42 = 29,704.59 : x
  2. Step 2: Convert to fraction form
    92,878.83/139,296.42 = 29,704.59/x
  3. Step 3: Cross multiply
    92,878.83x = 139,296.42 × 29,704.59
  4. Step 4: Simplify right side
    92,878.83x = 4,137,743,044.57
  5. Step 5: Solve for x
    x = 4,137,743,044.57/92,878.83
  6. Step 6: Final answer
    x = 44,549.90

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1.5x scale

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.