Home / 126,134.72-174,067.28-69,548.12

Finding the Fourth Proportional to 126,134.72, 174,067.28 and 69,548.12

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Solution

The fourth proportional to 126,134.72, 174,067.28 and 69,548.12 is: 95,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,134.72 : 174,067.28 = 69,548.12 : x
  2. Step 2: Convert to fraction form
    126,134.72/174,067.28 = 69,548.12/x
  3. Step 3: Cross multiply
    126,134.72x = 174,067.28 × 69,548.12
  4. Step 4: Simplify right side
    126,134.72x = 12,106,052,077.51
  5. Step 5: Solve for x
    x = 12,106,052,077.51/126,134.72
  6. Step 6: Final answer
    x = 95,977.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.