Home / 155,376.01-214,425.29-87,396.15

Finding the Fourth Proportional to 155,376.01, 214,425.29 and 87,396.15

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Solution

The fourth proportional to 155,376.01, 214,425.29 and 87,396.15 is: 120,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,376.01 : 214,425.29 = 87,396.15 : x
  2. Step 2: Convert to fraction form
    155,376.01/214,425.29 = 87,396.15/x
  3. Step 3: Cross multiply
    155,376.01x = 214,425.29 × 87,396.15
  4. Step 4: Simplify right side
    155,376.01x = 18,739,945,027.12
  5. Step 5: Solve for x
    x = 18,739,945,027.12/155,376.01
  6. Step 6: Final answer
    x = 120,610.29

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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.