Home / 126,358.26-189,369.70-67,066.26

Finding the Fourth Proportional to 126,358.26, 189,369.70 and 67,066.26

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Solution

The fourth proportional to 126,358.26, 189,369.70 and 67,066.26 is: 100,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.26 : 189,369.70 = 67,066.26 : x
  2. Step 2: Convert to fraction form
    126,358.26/189,369.70 = 67,066.26/x
  3. Step 3: Cross multiply
    126,358.26x = 189,369.70 × 67,066.26
  4. Step 4: Simplify right side
    126,358.26x = 12,700,317,536.32
  5. Step 5: Solve for x
    x = 12,700,317,536.32/126,358.26
  6. Step 6: Final answer
    x = 100,510.39

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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.