Home / 187,942.08-259,434.72-112,476

Finding the Fourth Proportional to 187,942.08, 259,434.72 and 112,476

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Solution

The fourth proportional to 187,942.08, 259,434.72 and 112,476 is: 155,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,942.08 : 259,434.72 = 112,476 : x
  2. Step 2: Convert to fraction form
    187,942.08/259,434.72 = 112,476/x
  3. Step 3: Cross multiply
    187,942.08x = 259,434.72 × 112,476
  4. Step 4: Simplify right side
    187,942.08x = 29,180,179,566.72
  5. Step 5: Solve for x
    x = 29,180,179,566.72/187,942.08
  6. Step 6: Final answer
    x = 155,261.55

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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.