Home / 179,781.20-248,147.40-104,354

Finding the Fourth Proportional to 179,781.20, 248,147.40 and 104,354

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Solution

The fourth proportional to 179,781.20, 248,147.40 and 104,354 is: 144,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,781.20 : 248,147.40 = 104,354 : x
  2. Step 2: Convert to fraction form
    179,781.20/248,147.40 = 104,354/x
  3. Step 3: Cross multiply
    179,781.20x = 248,147.40 × 104,354
  4. Step 4: Simplify right side
    179,781.20x = 25,895,173,779.60
  5. Step 5: Solve for x
    x = 25,895,173,779.60/179,781.20
  6. Step 6: Final answer
    x = 144,037.16

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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.