Home / 90,863.06-136,352.91-44,090.42

Finding the Fourth Proportional to 90,863.06, 136,352.91 and 44,090.42

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Solution

The fourth proportional to 90,863.06, 136,352.91 and 44,090.42 is: 66,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,863.06 : 136,352.91 = 44,090.42 : x
  2. Step 2: Convert to fraction form
    90,863.06/136,352.91 = 44,090.42/x
  3. Step 3: Cross multiply
    90,863.06x = 136,352.91 × 44,090.42
  4. Step 4: Simplify right side
    90,863.06x = 6,011,857,070.12
  5. Step 5: Solve for x
    x = 6,011,857,070.12/90,863.06
  6. Step 6: Final answer
    x = 66,163.93

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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.