Home / 126,345.75-189,455.18-42,076.14

Finding the Fourth Proportional to 126,345.75, 189,455.18 and 42,076.14

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Solution

The fourth proportional to 126,345.75, 189,455.18 and 42,076.14 is: 63,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345.75 : 189,455.18 = 42,076.14 : x
  2. Step 2: Convert to fraction form
    126,345.75/189,455.18 = 42,076.14/x
  3. Step 3: Cross multiply
    126,345.75x = 189,455.18 × 42,076.14
  4. Step 4: Simplify right side
    126,345.75x = 7,971,542,467.02
  5. Step 5: Solve for x
    x = 7,971,542,467.02/126,345.75
  6. Step 6: Final answer
    x = 63,093.08

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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.