Home / 114,178.12-171,045.54-84,137.83

Finding the Fourth Proportional to 114,178.12, 171,045.54 and 84,137.83

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Solution

The fourth proportional to 114,178.12, 171,045.54 and 84,137.83 is: 126,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,178.12 : 171,045.54 = 84,137.83 : x
  2. Step 2: Convert to fraction form
    114,178.12/171,045.54 = 84,137.83/x
  3. Step 3: Cross multiply
    114,178.12x = 171,045.54 × 84,137.83
  4. Step 4: Simplify right side
    114,178.12x = 14,391,400,566.78
  5. Step 5: Solve for x
    x = 14,391,400,566.78/114,178.12
  6. Step 6: Final answer
    x = 126,043.42

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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.