Home / 161,161.72-241,742.28-55,981.60

Finding the Fourth Proportional to 161,161.72, 241,742.28 and 55,981.60

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Solution

The fourth proportional to 161,161.72, 241,742.28 and 55,981.60 is: 83,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,161.72 : 241,742.28 = 55,981.60 : x
  2. Step 2: Convert to fraction form
    161,161.72/241,742.28 = 55,981.60/x
  3. Step 3: Cross multiply
    161,161.72x = 241,742.28 × 55,981.60
  4. Step 4: Simplify right side
    161,161.72x = 13,533,119,622.05
  5. Step 5: Solve for x
    x = 13,533,119,622.05/161,161.72
  6. Step 6: Final answer
    x = 83,972.30

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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.