Home / 92,999.54-139,388.58-64,766.72

Finding the Fourth Proportional to 92,999.54, 139,388.58 and 64,766.72

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Solution

The fourth proportional to 92,999.54, 139,388.58 and 64,766.72 is: 97,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.54 : 139,388.58 = 64,766.72 : x
  2. Step 2: Convert to fraction form
    92,999.54/139,388.58 = 64,766.72/x
  3. Step 3: Cross multiply
    92,999.54x = 139,388.58 × 64,766.72
  4. Step 4: Simplify right side
    92,999.54x = 9,027,740,435.11
  5. Step 5: Solve for x
    x = 9,027,740,435.11/92,999.54
  6. Step 6: Final answer
    x = 97,072.96

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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.