Home / 129,855.23-194,758.23-45,595.58

Finding the Fourth Proportional to 129,855.23, 194,758.23 and 45,595.58

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Solution

The fourth proportional to 129,855.23, 194,758.23 and 45,595.58 is: 68,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,855.23 : 194,758.23 = 45,595.58 : x
  2. Step 2: Convert to fraction form
    129,855.23/194,758.23 = 45,595.58/x
  3. Step 3: Cross multiply
    129,855.23x = 194,758.23 × 45,595.58
  4. Step 4: Simplify right side
    129,855.23x = 8,880,114,943.52
  5. Step 5: Solve for x
    x = 8,880,114,943.52/129,855.23
  6. Step 6: Final answer
    x = 68,384.73

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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.