Home / 90,258.24-135,419.76-40,334.16

Finding the Fourth Proportional to 90,258.24, 135,419.76 and 40,334.16

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Solution

The fourth proportional to 90,258.24, 135,419.76 and 40,334.16 is: 60,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,258.24 : 135,419.76 = 40,334.16 : x
  2. Step 2: Convert to fraction form
    90,258.24/135,419.76 = 40,334.16/x
  3. Step 3: Cross multiply
    90,258.24x = 135,419.76 × 40,334.16
  4. Step 4: Simplify right side
    90,258.24x = 5,462,042,267.00
  5. Step 5: Solve for x
    x = 5,462,042,267.00/90,258.24
  6. Step 6: Final answer
    x = 60,515.72

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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.