Home / 90,022.02-135,049.43-30,863.67

Finding the Fourth Proportional to 90,022.02, 135,049.43 and 30,863.67

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Solution

The fourth proportional to 90,022.02, 135,049.43 and 30,863.67 is: 46,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,022.02 : 135,049.43 = 30,863.67 : x
  2. Step 2: Convert to fraction form
    90,022.02/135,049.43 = 30,863.67/x
  3. Step 3: Cross multiply
    90,022.02x = 135,049.43 × 30,863.67
  4. Step 4: Simplify right side
    90,022.02x = 4,168,121,041.21
  5. Step 5: Solve for x
    x = 4,168,121,041.21/90,022.02
  6. Step 6: Final answer
    x = 46,301.13

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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.