Home / 90,237.33-135,279.87-56,883.88

Finding the Fourth Proportional to 90,237.33, 135,279.87 and 56,883.88

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Solution

The fourth proportional to 90,237.33, 135,279.87 and 56,883.88 is: 85,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,237.33 : 135,279.87 = 56,883.88 : x
  2. Step 2: Convert to fraction form
    90,237.33/135,279.87 = 56,883.88/x
  3. Step 3: Cross multiply
    90,237.33x = 135,279.87 × 56,883.88
  4. Step 4: Simplify right side
    90,237.33x = 7,695,243,891.50
  5. Step 5: Solve for x
    x = 7,695,243,891.50/90,237.33
  6. Step 6: Final answer
    x = 85,277.83

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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.