Home / 107,390.34-161,023.78-44,254.05

Finding the Fourth Proportional to 107,390.34, 161,023.78 and 44,254.05

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Solution

The fourth proportional to 107,390.34, 161,023.78 and 44,254.05 is: 66,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,390.34 : 161,023.78 = 44,254.05 : x
  2. Step 2: Convert to fraction form
    107,390.34/161,023.78 = 44,254.05/x
  3. Step 3: Cross multiply
    107,390.34x = 161,023.78 × 44,254.05
  4. Step 4: Simplify right side
    107,390.34x = 7,125,953,862.79
  5. Step 5: Solve for x
    x = 7,125,953,862.79/107,390.34
  6. Step 6: Final answer
    x = 66,355.63

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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.