Home / 99,060.74-136,601.05-84,767.87

Finding the Fourth Proportional to 99,060.74, 136,601.05 and 84,767.87

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Solution

The fourth proportional to 99,060.74, 136,601.05 and 84,767.87 is: 116,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,060.74 : 136,601.05 = 84,767.87 : x
  2. Step 2: Convert to fraction form
    99,060.74/136,601.05 = 84,767.87/x
  3. Step 3: Cross multiply
    99,060.74x = 136,601.05 × 84,767.87
  4. Step 4: Simplify right side
    99,060.74x = 11,579,380,336.79
  5. Step 5: Solve for x
    x = 11,579,380,336.79/99,060.74
  6. Step 6: Final answer
    x = 116,891.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.