Home / 126,346.26-189,455.92-42,076.64

Finding the Fourth Proportional to 126,346.26, 189,455.92 and 42,076.64

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Solution

The fourth proportional to 126,346.26, 189,455.92 and 42,076.64 is: 63,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,346.26 : 189,455.92 = 42,076.64 : x
  2. Step 2: Convert to fraction form
    126,346.26/189,455.92 = 42,076.64/x
  3. Step 3: Cross multiply
    126,346.26x = 189,455.92 × 42,076.64
  4. Step 4: Simplify right side
    126,346.26x = 7,971,668,541.71
  5. Step 5: Solve for x
    x = 7,971,668,541.71/126,346.26
  6. Step 6: Final answer
    x = 63,093.82

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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.