Home / 90,723.16-125,200.67-49,885.16

Finding the Fourth Proportional to 90,723.16, 125,200.67 and 49,885.16

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Solution

The fourth proportional to 90,723.16, 125,200.67 and 49,885.16 is: 68,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,723.16 : 125,200.67 = 49,885.16 : x
  2. Step 2: Convert to fraction form
    90,723.16/125,200.67 = 49,885.16/x
  3. Step 3: Cross multiply
    90,723.16x = 125,200.67 × 49,885.16
  4. Step 4: Simplify right side
    90,723.16x = 6,245,655,455.06
  5. Step 5: Solve for x
    x = 6,245,655,455.06/90,723.16
  6. Step 6: Final answer
    x = 68,843.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.