Home / 107,465.72-161,205.42-60,080.36

Finding the Fourth Proportional to 107,465.72, 161,205.42 and 60,080.36

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Solution

The fourth proportional to 107,465.72, 161,205.42 and 60,080.36 is: 90,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,465.72 : 161,205.42 = 60,080.36 : x
  2. Step 2: Convert to fraction form
    107,465.72/161,205.42 = 60,080.36/x
  3. Step 3: Cross multiply
    107,465.72x = 161,205.42 × 60,080.36
  4. Step 4: Simplify right side
    107,465.72x = 9,685,279,667.55
  5. Step 5: Solve for x
    x = 9,685,279,667.55/107,465.72
  6. Step 6: Final answer
    x = 90,124.36

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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.