Home / 90,174.12-135,287.09-26,998.98

Finding the Fourth Proportional to 90,174.12, 135,287.09 and 26,998.98

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Solution

The fourth proportional to 90,174.12, 135,287.09 and 26,998.98 is: 40,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,174.12 : 135,287.09 = 26,998.98 : x
  2. Step 2: Convert to fraction form
    90,174.12/135,287.09 = 26,998.98/x
  3. Step 3: Cross multiply
    90,174.12x = 135,287.09 × 26,998.98
  4. Step 4: Simplify right side
    90,174.12x = 3,652,613,437.17
  5. Step 5: Solve for x
    x = 3,652,613,437.17/90,174.12
  6. Step 6: Final answer
    x = 40,506.23

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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.