Home / 129,559.46-194,442.87-67,247.78

Finding the Fourth Proportional to 129,559.46, 194,442.87 and 67,247.78

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Solution

The fourth proportional to 129,559.46, 194,442.87 and 67,247.78 is: 100,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,559.46 : 194,442.87 = 67,247.78 : x
  2. Step 2: Convert to fraction form
    129,559.46/194,442.87 = 67,247.78/x
  3. Step 3: Cross multiply
    129,559.46x = 194,442.87 × 67,247.78
  4. Step 4: Simplify right side
    129,559.46x = 13,075,851,344.33
  5. Step 5: Solve for x
    x = 13,075,851,344.33/129,559.46
  6. Step 6: Final answer
    x = 100,925.49

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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.