Home / 107,465.20-161,230.02-43,390.36

Finding the Fourth Proportional to 107,465.20, 161,230.02 and 43,390.36

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Solution

The fourth proportional to 107,465.20, 161,230.02 and 43,390.36 is: 65,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,465.20 : 161,230.02 = 43,390.36 : x
  2. Step 2: Convert to fraction form
    107,465.20/161,230.02 = 43,390.36/x
  3. Step 3: Cross multiply
    107,465.20x = 161,230.02 × 43,390.36
  4. Step 4: Simplify right side
    107,465.20x = 6,995,828,610.61
  5. Step 5: Solve for x
    x = 6,995,828,610.61/107,465.20
  6. Step 6: Final answer
    x = 65,098.55

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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.