Home / 155,057.76-214,082.40-119,181.60

Finding the Fourth Proportional to 155,057.76, 214,082.40 and 119,181.60

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Solution

The fourth proportional to 155,057.76, 214,082.40 and 119,181.60 is: 164,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,057.76 : 214,082.40 = 119,181.60 : x
  2. Step 2: Convert to fraction form
    155,057.76/214,082.40 = 119,181.60/x
  3. Step 3: Cross multiply
    155,057.76x = 214,082.40 × 119,181.60
  4. Step 4: Simplify right side
    155,057.76x = 25,514,682,963.84
  5. Step 5: Solve for x
    x = 25,514,682,963.84/155,057.76
  6. Step 6: Final answer
    x = 164,549.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.