Home / 90,165.22-124,997.00-85,365.95

Finding the Fourth Proportional to 90,165.22, 124,997.00 and 85,365.95

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Solution

The fourth proportional to 90,165.22, 124,997.00 and 85,365.95 is: 118,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,165.22 : 124,997.00 = 85,365.95 : x
  2. Step 2: Convert to fraction form
    90,165.22/124,997.00 = 85,365.95/x
  3. Step 3: Cross multiply
    90,165.22x = 124,997.00 × 85,365.95
  4. Step 4: Simplify right side
    90,165.22x = 10,670,486,600.34
  5. Step 5: Solve for x
    x = 10,670,486,600.34/90,165.22
  6. Step 6: Final answer
    x = 118,343.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.