Home / 239,066.06-329,918.42-131,639.93

Finding the Fourth Proportional to 239,066.06, 329,918.42 and 131,639.93

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Solution

The fourth proportional to 239,066.06, 329,918.42 and 131,639.93 is: 181,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,066.06 : 329,918.42 = 131,639.93 : x
  2. Step 2: Convert to fraction form
    239,066.06/329,918.42 = 131,639.93/x
  3. Step 3: Cross multiply
    239,066.06x = 329,918.42 × 131,639.93
  4. Step 4: Simplify right side
    239,066.06x = 43,430,437,881.11
  5. Step 5: Solve for x
    x = 43,430,437,881.11/239,066.06
  6. Step 6: Final answer
    x = 181,667.10

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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.