Home / 161,520.48-242,308.40-54,893.16

Finding the Fourth Proportional to 161,520.48, 242,308.40 and 54,893.16

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Solution

The fourth proportional to 161,520.48, 242,308.40 and 54,893.16 is: 82,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520.48 : 242,308.40 = 54,893.16 : x
  2. Step 2: Convert to fraction form
    161,520.48/242,308.40 = 54,893.16/x
  3. Step 3: Cross multiply
    161,520.48x = 242,308.40 × 54,893.16
  4. Step 4: Simplify right side
    161,520.48x = 13,301,073,770.54
  5. Step 5: Solve for x
    x = 13,301,073,770.54/161,520.48
  6. Step 6: Final answer
    x = 82,349.15

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1.5x scale

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.