Home / 90,328.98-135,500.48-27,144.17

Finding the Fourth Proportional to 90,328.98, 135,500.48 and 27,144.17

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Solution

The fourth proportional to 90,328.98, 135,500.48 and 27,144.17 is: 40,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,328.98 : 135,500.48 = 27,144.17 : x
  2. Step 2: Convert to fraction form
    90,328.98/135,500.48 = 27,144.17/x
  3. Step 3: Cross multiply
    90,328.98x = 135,500.48 × 27,144.17
  4. Step 4: Simplify right side
    90,328.98x = 3,678,048,064.20
  5. Step 5: Solve for x
    x = 3,678,048,064.20/90,328.98
  6. Step 6: Final answer
    x = 40,718.36

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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.