Home / 126,347.59-189,747.27-121,268.06

Finding the Fourth Proportional to 126,347.59, 189,747.27 and 121,268.06

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Solution

The fourth proportional to 126,347.59, 189,747.27 and 121,268.06 is: 182,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,347.59 : 189,747.27 = 121,268.06 : x
  2. Step 2: Convert to fraction form
    126,347.59/189,747.27 = 121,268.06/x
  3. Step 3: Cross multiply
    126,347.59x = 189,747.27 × 121,268.06
  4. Step 4: Simplify right side
    126,347.59x = 23,010,281,768.12
  5. Step 5: Solve for x
    x = 23,010,281,768.12/126,347.59
  6. Step 6: Final answer
    x = 182,118.89

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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.