Home / 90,757.26-125,234.73-52,510.86

Finding the Fourth Proportional to 90,757.26, 125,234.73 and 52,510.86

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Solution

The fourth proportional to 90,757.26, 125,234.73 and 52,510.86 is: 72,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,757.26 : 125,234.73 = 52,510.86 : x
  2. Step 2: Convert to fraction form
    90,757.26/125,234.73 = 52,510.86/x
  3. Step 3: Cross multiply
    90,757.26x = 125,234.73 × 52,510.86
  4. Step 4: Simplify right side
    90,757.26x = 6,576,183,374.17
  5. Step 5: Solve for x
    x = 6,576,183,374.17/90,757.26
  6. Step 6: Final answer
    x = 72,459.03

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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.