Home / 126,332.74-189,291.75-43,181.38

Finding the Fourth Proportional to 126,332.74, 189,291.75 and 43,181.38

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Solution

The fourth proportional to 126,332.74, 189,291.75 and 43,181.38 is: 64,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,332.74 : 189,291.75 = 43,181.38 : x
  2. Step 2: Convert to fraction form
    126,332.74/189,291.75 = 43,181.38/x
  3. Step 3: Cross multiply
    126,332.74x = 189,291.75 × 43,181.38
  4. Step 4: Simplify right side
    126,332.74x = 8,173,878,987.62
  5. Step 5: Solve for x
    x = 8,173,878,987.62/126,332.74
  6. Step 6: Final answer
    x = 64,701.19

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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.