Home / 120,736.12-181,030.37-57,575.56

Finding the Fourth Proportional to 120,736.12, 181,030.37 and 57,575.56

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Solution

The fourth proportional to 120,736.12, 181,030.37 and 57,575.56 is: 86,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,736.12 : 181,030.37 = 57,575.56 : x
  2. Step 2: Convert to fraction form
    120,736.12/181,030.37 = 57,575.56/x
  3. Step 3: Cross multiply
    120,736.12x = 181,030.37 × 57,575.56
  4. Step 4: Simplify right side
    120,736.12x = 10,422,924,641.88
  5. Step 5: Solve for x
    x = 10,422,924,641.88/120,736.12
  6. Step 6: Final answer
    x = 86,328.14

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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.