Home / 216,464.20-298,527.18-135,899.23

Finding the Fourth Proportional to 216,464.20, 298,527.18 and 135,899.23

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Solution

The fourth proportional to 216,464.20, 298,527.18 and 135,899.23 is: 187,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,464.20 : 298,527.18 = 135,899.23 : x
  2. Step 2: Convert to fraction form
    216,464.20/298,527.18 = 135,899.23/x
  3. Step 3: Cross multiply
    216,464.20x = 298,527.18 × 135,899.23
  4. Step 4: Simplify right side
    216,464.20x = 40,569,613,896.07
  5. Step 5: Solve for x
    x = 40,569,613,896.07/216,464.20
  6. Step 6: Final answer
    x = 187,419.51

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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.