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Finding the Fourth Proportional to 92,895.26, 139,307.22 and 39,553.41

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Solution

The fourth proportional to 92,895.26, 139,307.22 and 39,553.41 is: 59,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,895.26 : 139,307.22 = 39,553.41 : x
  2. Step 2: Convert to fraction form
    92,895.26/139,307.22 = 39,553.41/x
  3. Step 3: Cross multiply
    92,895.26x = 139,307.22 × 39,553.41
  4. Step 4: Simplify right side
    92,895.26x = 5,510,076,111.02
  5. Step 5: Solve for x
    x = 5,510,076,111.02/92,895.26
  6. Step 6: Final answer
    x = 59,314.94

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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.