Home / 189,117.10-283,493.40-109,072.90

Finding the Fourth Proportional to 189,117.10, 283,493.40 and 109,072.90

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Solution

The fourth proportional to 189,117.10, 283,493.40 and 109,072.90 is: 163,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,117.10 : 283,493.40 = 109,072.90 : x
  2. Step 2: Convert to fraction form
    189,117.10/283,493.40 = 109,072.90/x
  3. Step 3: Cross multiply
    189,117.10x = 283,493.40 × 109,072.90
  4. Step 4: Simplify right side
    189,117.10x = 30,921,447,268.86
  5. Step 5: Solve for x
    x = 30,921,447,268.86/189,117.10
  6. Step 6: Final answer
    x = 163,504.24

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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.