Home / 125,934.98-188,946.20-55,863.50

Finding the Fourth Proportional to 125,934.98, 188,946.20 and 55,863.50

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Solution

The fourth proportional to 125,934.98, 188,946.20 and 55,863.50 is: 83,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,934.98 : 188,946.20 = 55,863.50 : x
  2. Step 2: Convert to fraction form
    125,934.98/188,946.20 = 55,863.50/x
  3. Step 3: Cross multiply
    125,934.98x = 188,946.20 × 55,863.50
  4. Step 4: Simplify right side
    125,934.98x = 10,555,196,043.70
  5. Step 5: Solve for x
    x = 10,555,196,043.70/125,934.98
  6. Step 6: Final answer
    x = 83,814.65

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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.