Home / 129,327.02-194,094.21-67,015.34

Finding the Fourth Proportional to 129,327.02, 194,094.21 and 67,015.34

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Solution

The fourth proportional to 129,327.02, 194,094.21 and 67,015.34 is: 100,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,327.02 : 194,094.21 = 67,015.34 : x
  2. Step 2: Convert to fraction form
    129,327.02/194,094.21 = 67,015.34/x
  3. Step 3: Cross multiply
    129,327.02x = 194,094.21 × 67,015.34
  4. Step 4: Simplify right side
    129,327.02x = 13,007,289,475.18
  5. Step 5: Solve for x
    x = 13,007,289,475.18/129,327.02
  6. Step 6: Final answer
    x = 100,576.74

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1.5x scale

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.