Home / 90,776.55-136,164.83-40,847.34

Finding the Fourth Proportional to 90,776.55, 136,164.83 and 40,847.34

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Solution

The fourth proportional to 90,776.55, 136,164.83 and 40,847.34 is: 61,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,776.55 : 136,164.83 = 40,847.34 : x
  2. Step 2: Convert to fraction form
    90,776.55/136,164.83 = 40,847.34/x
  3. Step 3: Cross multiply
    90,776.55x = 136,164.83 × 40,847.34
  4. Step 4: Simplify right side
    90,776.55x = 5,561,971,107.05
  5. Step 5: Solve for x
    x = 5,561,971,107.05/90,776.55
  6. Step 6: Final answer
    x = 61,271.01

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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.