Home / 90,173.12-135,285.59-26,997.98

Finding the Fourth Proportional to 90,173.12, 135,285.59 and 26,997.98

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Solution

The fourth proportional to 90,173.12, 135,285.59 and 26,997.98 is: 40,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,173.12 : 135,285.59 = 26,997.98 : x
  2. Step 2: Convert to fraction form
    90,173.12/135,285.59 = 26,997.98/x
  3. Step 3: Cross multiply
    90,173.12x = 135,285.59 × 26,997.98
  4. Step 4: Simplify right side
    90,173.12x = 3,652,437,044.18
  5. Step 5: Solve for x
    x = 3,652,437,044.18/90,173.12
  6. Step 6: Final answer
    x = 40,504.72

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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.