Home / 126,114.22-189,077.16-76,182.98

Finding the Fourth Proportional to 126,114.22, 189,077.16 and 76,182.98

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Solution

The fourth proportional to 126,114.22, 189,077.16 and 76,182.98 is: 114,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,114.22 : 189,077.16 = 76,182.98 : x
  2. Step 2: Convert to fraction form
    126,114.22/189,077.16 = 76,182.98/x
  3. Step 3: Cross multiply
    126,114.22x = 189,077.16 × 76,182.98
  4. Step 4: Simplify right side
    126,114.22x = 14,404,461,498.74
  5. Step 5: Solve for x
    x = 14,404,461,498.74/126,114.22
  6. Step 6: Final answer
    x = 114,217.58

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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.