Home / 90,222.74-124,538.48-51,997.55

Finding the Fourth Proportional to 90,222.74, 124,538.48 and 51,997.55

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Solution

The fourth proportional to 90,222.74, 124,538.48 and 51,997.55 is: 71,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.74 : 124,538.48 = 51,997.55 : x
  2. Step 2: Convert to fraction form
    90,222.74/124,538.48 = 51,997.55/x
  3. Step 3: Cross multiply
    90,222.74x = 124,538.48 × 51,997.55
  4. Step 4: Simplify right side
    90,222.74x = 6,475,695,372.40
  5. Step 5: Solve for x
    x = 6,475,695,372.40/90,222.74
  6. Step 6: Final answer
    x = 71,774.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.