Home / 107,415.72-161,112.24-28,537.92

Finding the Fourth Proportional to 107,415.72, 161,112.24 and 28,537.92

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Solution

The fourth proportional to 107,415.72, 161,112.24 and 28,537.92 is: 42,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415.72 : 161,112.24 = 28,537.92 : x
  2. Step 2: Convert to fraction form
    107,415.72/161,112.24 = 28,537.92/x
  3. Step 3: Cross multiply
    107,415.72x = 161,112.24 × 28,537.92
  4. Step 4: Simplify right side
    107,415.72x = 4,597,808,216.14
  5. Step 5: Solve for x
    x = 4,597,808,216.14/107,415.72
  6. Step 6: Final answer
    x = 42,803.87

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1.5x scale

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.