Home / 126,184.70-189,277.05-103,634.30

Finding the Fourth Proportional to 126,184.70, 189,277.05 and 103,634.30

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Solution

The fourth proportional to 126,184.70, 189,277.05 and 103,634.30 is: 155,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,184.70 : 189,277.05 = 103,634.30 : x
  2. Step 2: Convert to fraction form
    126,184.70/189,277.05 = 103,634.30/x
  3. Step 3: Cross multiply
    126,184.70x = 189,277.05 × 103,634.30
  4. Step 4: Simplify right side
    126,184.70x = 19,615,594,582.82
  5. Step 5: Solve for x
    x = 19,615,594,582.82/126,184.70
  6. Step 6: Final answer
    x = 155,451.45

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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.