Home / 90,262.24-135,425.76-40,338.16

Finding the Fourth Proportional to 90,262.24, 135,425.76 and 40,338.16

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Solution

The fourth proportional to 90,262.24, 135,425.76 and 40,338.16 is: 60,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,262.24 : 135,425.76 = 40,338.16 : x
  2. Step 2: Convert to fraction form
    90,262.24/135,425.76 = 40,338.16/x
  3. Step 3: Cross multiply
    90,262.24x = 135,425.76 × 40,338.16
  4. Step 4: Simplify right side
    90,262.24x = 5,462,825,975.00
  5. Step 5: Solve for x
    x = 5,462,825,975.00/90,262.24
  6. Step 6: Final answer
    x = 60,521.72

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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.