Home / 129,381.03-193,945.40-61,895.44

Finding the Fourth Proportional to 129,381.03, 193,945.40 and 61,895.44

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Solution

The fourth proportional to 129,381.03, 193,945.40 and 61,895.44 is: 92,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,381.03 : 193,945.40 = 61,895.44 : x
  2. Step 2: Convert to fraction form
    129,381.03/193,945.40 = 61,895.44/x
  3. Step 3: Cross multiply
    129,381.03x = 193,945.40 × 61,895.44
  4. Step 4: Simplify right side
    129,381.03x = 12,004,336,498.08
  5. Step 5: Solve for x
    x = 12,004,336,498.08/129,381.03
  6. Step 6: Final answer
    x = 92,782.82

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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.