Home / 129,559.40-194,442.77-67,247.72

Finding the Fourth Proportional to 129,559.40, 194,442.77 and 67,247.72

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Solution

The fourth proportional to 129,559.40, 194,442.77 and 67,247.72 is: 100,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,559.40 : 194,442.77 = 67,247.72 : x
  2. Step 2: Convert to fraction form
    129,559.40/194,442.77 = 67,247.72/x
  3. Step 3: Cross multiply
    129,559.40x = 194,442.77 × 67,247.72
  4. Step 4: Simplify right side
    129,559.40x = 13,075,832,148.89
  5. Step 5: Solve for x
    x = 13,075,832,148.89/129,559.40
  6. Step 6: Final answer
    x = 100,925.39

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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.