Home / 126,032.73-189,127.90-51,152.86

Finding the Fourth Proportional to 126,032.73, 189,127.90 and 51,152.86

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Solution

The fourth proportional to 126,032.73, 189,127.90 and 51,152.86 is: 76,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,032.73 : 189,127.90 = 51,152.86 : x
  2. Step 2: Convert to fraction form
    126,032.73/189,127.90 = 51,152.86/x
  3. Step 3: Cross multiply
    126,032.73x = 189,127.90 × 51,152.86
  4. Step 4: Simplify right side
    126,032.73x = 9,674,433,291.14
  5. Step 5: Solve for x
    x = 9,674,433,291.14/126,032.73
  6. Step 6: Final answer
    x = 76,761.28

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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.