Home / 120,094.76-180,181.02-57,757.16

Finding the Fourth Proportional to 120,094.76, 180,181.02 and 57,757.16

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Solution

The fourth proportional to 120,094.76, 180,181.02 and 57,757.16 is: 86,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,094.76 : 180,181.02 = 57,757.16 : x
  2. Step 2: Convert to fraction form
    120,094.76/180,181.02 = 57,757.16/x
  3. Step 3: Cross multiply
    120,094.76x = 180,181.02 × 57,757.16
  4. Step 4: Simplify right side
    120,094.76x = 10,406,744,001.10
  5. Step 5: Solve for x
    x = 10,406,744,001.10/120,094.76
  6. Step 6: Final answer
    x = 86,654.44

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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.