Home / 161,708.40-242,562.60-120,236.40

Finding the Fourth Proportional to 161,708.40, 242,562.60 and 120,236.40

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Solution

The fourth proportional to 161,708.40, 242,562.60 and 120,236.40 is: 180,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,708.40 : 242,562.60 = 120,236.40 : x
  2. Step 2: Convert to fraction form
    161,708.40/242,562.60 = 120,236.40/x
  3. Step 3: Cross multiply
    161,708.40x = 242,562.60 × 120,236.40
  4. Step 4: Simplify right side
    161,708.40x = 29,164,853,798.64
  5. Step 5: Solve for x
    x = 29,164,853,798.64/161,708.40
  6. Step 6: Final answer
    x = 180,354.60

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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.