Home / 107,937.20-161,905.80-34,055.60

Finding the Fourth Proportional to 107,937.20, 161,905.80 and 34,055.60

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Solution

The fourth proportional to 107,937.20, 161,905.80 and 34,055.60 is: 51,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,937.20 : 161,905.80 = 34,055.60 : x
  2. Step 2: Convert to fraction form
    107,937.20/161,905.80 = 34,055.60/x
  3. Step 3: Cross multiply
    107,937.20x = 161,905.80 × 34,055.60
  4. Step 4: Simplify right side
    107,937.20x = 5,513,799,162.48
  5. Step 5: Solve for x
    x = 5,513,799,162.48/107,937.20
  6. Step 6: Final answer
    x = 51,083.40

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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.