Home / 152,930.60-211,037.09-84,951.95

Finding the Fourth Proportional to 152,930.60, 211,037.09 and 84,951.95

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Solution

The fourth proportional to 152,930.60, 211,037.09 and 84,951.95 is: 117,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,930.60 : 211,037.09 = 84,951.95 : x
  2. Step 2: Convert to fraction form
    152,930.60/211,037.09 = 84,951.95/x
  3. Step 3: Cross multiply
    152,930.60x = 211,037.09 × 84,951.95
  4. Step 4: Simplify right side
    152,930.60x = 17,928,011,893.07
  5. Step 5: Solve for x
    x = 17,928,011,893.07/152,930.60
  6. Step 6: Final answer
    x = 117,229.72

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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.