Home / 90,632.98-135,968.91-38,012.14

Finding the Fourth Proportional to 90,632.98, 135,968.91 and 38,012.14

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Solution

The fourth proportional to 90,632.98, 135,968.91 and 38,012.14 is: 57,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,632.98 : 135,968.91 = 38,012.14 : x
  2. Step 2: Convert to fraction form
    90,632.98/135,968.91 = 38,012.14/x
  3. Step 3: Cross multiply
    90,632.98x = 135,968.91 × 38,012.14
  4. Step 4: Simplify right side
    90,632.98x = 5,168,469,242.57
  5. Step 5: Solve for x
    x = 5,168,469,242.57/90,632.98
  6. Step 6: Final answer
    x = 57,026.36

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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.