Home / 126,126.88-188,931.83-101,031.05

Finding the Fourth Proportional to 126,126.88, 188,931.83 and 101,031.05

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Solution

The fourth proportional to 126,126.88, 188,931.83 and 101,031.05 is: 151,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,126.88 : 188,931.83 = 101,031.05 : x
  2. Step 2: Convert to fraction form
    126,126.88/188,931.83 = 101,031.05/x
  3. Step 3: Cross multiply
    126,126.88x = 188,931.83 × 101,031.05
  4. Step 4: Simplify right side
    126,126.88x = 19,087,981,130.50
  5. Step 5: Solve for x
    x = 19,087,981,130.50/126,126.88
  6. Step 6: Final answer
    x = 151,339.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.