Home / 121,410.02-182,004.10-42,481.19

Finding the Fourth Proportional to 121,410.02, 182,004.10 and 42,481.19

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Solution

The fourth proportional to 121,410.02, 182,004.10 and 42,481.19 is: 63,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,410.02 : 182,004.10 = 42,481.19 : x
  2. Step 2: Convert to fraction form
    121,410.02/182,004.10 = 42,481.19/x
  3. Step 3: Cross multiply
    121,410.02x = 182,004.10 × 42,481.19
  4. Step 4: Simplify right side
    121,410.02x = 7,731,751,101.69
  5. Step 5: Solve for x
    x = 7,731,751,101.69/121,410.02
  6. Step 6: Final answer
    x = 63,682.97

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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.