Home / 138,300.88-190,754.76-95,861.20

Finding the Fourth Proportional to 138,300.88, 190,754.76 and 95,861.20

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Solution

The fourth proportional to 138,300.88, 190,754.76 and 95,861.20 is: 132,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,300.88 : 190,754.76 = 95,861.20 : x
  2. Step 2: Convert to fraction form
    138,300.88/190,754.76 = 95,861.20/x
  3. Step 3: Cross multiply
    138,300.88x = 190,754.76 × 95,861.20
  4. Step 4: Simplify right side
    138,300.88x = 18,285,980,199.31
  5. Step 5: Solve for x
    x = 18,285,980,199.31/138,300.88
  6. Step 6: Final answer
    x = 132,218.83

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1.5x scale

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.