Home / 92,938.08-139,407.28-36,791.42

Finding the Fourth Proportional to 92,938.08, 139,407.28 and 36,791.42

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Solution

The fourth proportional to 92,938.08, 139,407.28 and 36,791.42 is: 55,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,938.08 : 139,407.28 = 36,791.42 : x
  2. Step 2: Convert to fraction form
    92,938.08/139,407.28 = 36,791.42/x
  3. Step 3: Cross multiply
    92,938.08x = 139,407.28 × 36,791.42
  4. Step 4: Simplify right side
    92,938.08x = 5,128,991,000.52
  5. Step 5: Solve for x
    x = 5,128,991,000.52/92,938.08
  6. Step 6: Final answer
    x = 55,187.18

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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.