Home / 92,897.02-139,212.69-74,233.81

Finding the Fourth Proportional to 92,897.02, 139,212.69 and 74,233.81

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Solution

The fourth proportional to 92,897.02, 139,212.69 and 74,233.81 is: 111,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,897.02 : 139,212.69 = 74,233.81 : x
  2. Step 2: Convert to fraction form
    92,897.02/139,212.69 = 74,233.81/x
  3. Step 3: Cross multiply
    92,897.02x = 139,212.69 × 74,233.81
  4. Step 4: Simplify right side
    92,897.02x = 10,334,288,379.05
  5. Step 5: Solve for x
    x = 10,334,288,379.05/92,897.02
  6. Step 6: Final answer
    x = 111,244.56

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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.