Home / 107,840.20-161,765.10-41,312.20

Finding the Fourth Proportional to 107,840.20, 161,765.10 and 41,312.20

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Solution

The fourth proportional to 107,840.20, 161,765.10 and 41,312.20 is: 61,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840.20 : 161,765.10 = 41,312.20 : x
  2. Step 2: Convert to fraction form
    107,840.20/161,765.10 = 41,312.20/x
  3. Step 3: Cross multiply
    107,840.20x = 161,765.10 × 41,312.20
  4. Step 4: Simplify right side
    107,840.20x = 6,682,872,164.22
  5. Step 5: Solve for x
    x = 6,682,872,164.22/107,840.20
  6. Step 6: Final answer
    x = 61,970.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.