Home / 92,644.89-139,153.29-55,277.88

Finding the Fourth Proportional to 92,644.89, 139,153.29 and 55,277.88

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Solution

The fourth proportional to 92,644.89, 139,153.29 and 55,277.88 is: 83,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,644.89 : 139,153.29 = 55,277.88 : x
  2. Step 2: Convert to fraction form
    92,644.89/139,153.29 = 55,277.88/x
  3. Step 3: Cross multiply
    92,644.89x = 139,153.29 × 55,277.88
  4. Step 4: Simplify right side
    92,644.89x = 7,692,098,866.23
  5. Step 5: Solve for x
    x = 7,692,098,866.23/92,644.89
  6. Step 6: Final answer
    x = 83,027.77

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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.