Home / 129,895.48-194,844.65-45,658.05

Finding the Fourth Proportional to 129,895.48, 194,844.65 and 45,658.05

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Solution

The fourth proportional to 129,895.48, 194,844.65 and 45,658.05 is: 68,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,895.48 : 194,844.65 = 45,658.05 : x
  2. Step 2: Convert to fraction form
    129,895.48/194,844.65 = 45,658.05/x
  3. Step 3: Cross multiply
    129,895.48x = 194,844.65 × 45,658.05
  4. Step 4: Simplify right side
    129,895.48x = 8,896,226,771.93
  5. Step 5: Solve for x
    x = 8,896,226,771.93/129,895.48
  6. Step 6: Final answer
    x = 68,487.58

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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.