Home / 90,754.00-125,222.16-53,020.96

Finding the Fourth Proportional to 90,754.00, 125,222.16 and 53,020.96

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Solution

The fourth proportional to 90,754.00, 125,222.16 and 53,020.96 is: 73,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,754.00 : 125,222.16 = 53,020.96 : x
  2. Step 2: Convert to fraction form
    90,754.00/125,222.16 = 53,020.96/x
  3. Step 3: Cross multiply
    90,754.00x = 125,222.16 × 53,020.96
  4. Step 4: Simplify right side
    90,754.00x = 6,639,399,022.25
  5. Step 5: Solve for x
    x = 6,639,399,022.25/90,754.00
  6. Step 6: Final answer
    x = 73,158.20

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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.