Home / 90,754.56-125,222.94-53,021.52

Finding the Fourth Proportional to 90,754.56, 125,222.94 and 53,021.52

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Solution

The fourth proportional to 90,754.56, 125,222.94 and 53,021.52 is: 73,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,754.56 : 125,222.94 = 53,021.52 : x
  2. Step 2: Convert to fraction form
    90,754.56/125,222.94 = 53,021.52/x
  3. Step 3: Cross multiply
    90,754.56x = 125,222.94 × 53,021.52
  4. Step 4: Simplify right side
    90,754.56x = 6,639,510,617.67
  5. Step 5: Solve for x
    x = 6,639,510,617.67/90,754.56
  6. Step 6: Final answer
    x = 73,158.98

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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.