Home / 147,195.75-203,130.14-80,127.75

Finding the Fourth Proportional to 147,195.75, 203,130.14 and 80,127.75

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Solution

The fourth proportional to 147,195.75, 203,130.14 and 80,127.75 is: 110,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,195.75 : 203,130.14 = 80,127.75 : x
  2. Step 2: Convert to fraction form
    147,195.75/203,130.14 = 80,127.75/x
  3. Step 3: Cross multiply
    147,195.75x = 203,130.14 × 80,127.75
  4. Step 4: Simplify right side
    147,195.75x = 16,276,360,674.75
  5. Step 5: Solve for x
    x = 16,276,360,674.75/147,195.75
  6. Step 6: Final answer
    x = 110,576.30

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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.