Home / 154,426.81-212,998.96-94,001.31

Finding the Fourth Proportional to 154,426.81, 212,998.96 and 94,001.31

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Solution

The fourth proportional to 154,426.81, 212,998.96 and 94,001.31 is: 129,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426.81 : 212,998.96 = 94,001.31 : x
  2. Step 2: Convert to fraction form
    154,426.81/212,998.96 = 94,001.31/x
  3. Step 3: Cross multiply
    154,426.81x = 212,998.96 × 94,001.31
  4. Step 4: Simplify right side
    154,426.81x = 20,022,181,268.64
  5. Step 5: Solve for x
    x = 20,022,181,268.64/154,426.81
  6. Step 6: Final answer
    x = 129,654.83

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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.