Home / 161,742.40-242,613.60-146,190.40

Finding the Fourth Proportional to 161,742.40, 242,613.60 and 146,190.40

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Solution

The fourth proportional to 161,742.40, 242,613.60 and 146,190.40 is: 219,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,742.40 : 242,613.60 = 146,190.40 : x
  2. Step 2: Convert to fraction form
    161,742.40/242,613.60 = 146,190.40/x
  3. Step 3: Cross multiply
    161,742.40x = 242,613.60 × 146,190.40
  4. Step 4: Simplify right side
    161,742.40x = 35,467,779,229.44
  5. Step 5: Solve for x
    x = 35,467,779,229.44/161,742.40
  6. Step 6: Final answer
    x = 219,285.60

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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.