Home / 126,225.32-189,059.81-104,338.31

Finding the Fourth Proportional to 126,225.32, 189,059.81 and 104,338.31

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Solution

The fourth proportional to 126,225.32, 189,059.81 and 104,338.31 is: 156,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,225.32 : 189,059.81 = 104,338.31 : x
  2. Step 2: Convert to fraction form
    126,225.32/189,059.81 = 104,338.31/x
  3. Step 3: Cross multiply
    126,225.32x = 189,059.81 × 104,338.31
  4. Step 4: Simplify right side
    126,225.32x = 19,726,179,597.33
  5. Step 5: Solve for x
    x = 19,726,179,597.33/126,225.32
  6. Step 6: Final answer
    x = 156,277.52

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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.