Home / 81,230.00-121,837.30-25,055.01

Finding the Fourth Proportional to 81,230.00, 121,837.30 and 25,055.01

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Solution

The fourth proportional to 81,230.00, 121,837.30 and 25,055.01 is: 37,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,230.00 : 121,837.30 = 25,055.01 : x
  2. Step 2: Convert to fraction form
    81,230.00/121,837.30 = 25,055.01/x
  3. Step 3: Cross multiply
    81,230.00x = 121,837.30 × 25,055.01
  4. Step 4: Simplify right side
    81,230.00x = 3,052,634,707.24
  5. Step 5: Solve for x
    x = 3,052,634,707.24/81,230.00
  6. Step 6: Final answer
    x = 37,580.14

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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.