Home / 126,374.13-189,508.50-51,443.64

Finding the Fourth Proportional to 126,374.13, 189,508.50 and 51,443.64

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Solution

The fourth proportional to 126,374.13, 189,508.50 and 51,443.64 is: 77,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,374.13 : 189,508.50 = 51,443.64 : x
  2. Step 2: Convert to fraction form
    126,374.13/189,508.50 = 51,443.64/x
  3. Step 3: Cross multiply
    126,374.13x = 189,508.50 × 51,443.64
  4. Step 4: Simplify right side
    126,374.13x = 9,749,007,050.94
  5. Step 5: Solve for x
    x = 9,749,007,050.94/126,374.13
  6. Step 6: Final answer
    x = 77,144.01

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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.