Home / 90,227.00-135,339.89-70,522.13

Finding the Fourth Proportional to 90,227.00, 135,339.89 and 70,522.13

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Solution

The fourth proportional to 90,227.00, 135,339.89 and 70,522.13 is: 105,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227.00 : 135,339.89 = 70,522.13 : x
  2. Step 2: Convert to fraction form
    90,227.00/135,339.89 = 70,522.13/x
  3. Step 3: Cross multiply
    90,227.00x = 135,339.89 × 70,522.13
  4. Step 4: Simplify right side
    90,227.00x = 9,544,456,287.46
  5. Step 5: Solve for x
    x = 9,544,456,287.46/90,227.00
  6. Step 6: Final answer
    x = 105,782.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.