Home / 81,184.54-121,788.29-25,029.22

Finding the Fourth Proportional to 81,184.54, 121,788.29 and 25,029.22

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Solution

The fourth proportional to 81,184.54, 121,788.29 and 25,029.22 is: 37,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,184.54 : 121,788.29 = 25,029.22 : x
  2. Step 2: Convert to fraction form
    81,184.54/121,788.29 = 25,029.22/x
  3. Step 3: Cross multiply
    81,184.54x = 121,788.29 × 25,029.22
  4. Step 4: Simplify right side
    81,184.54x = 3,048,265,903.83
  5. Step 5: Solve for x
    x = 3,048,265,903.83/81,184.54
  6. Step 6: Final answer
    x = 37,547.37

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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.