Home / 119,006.49-178,422.24-56,720.73

Finding the Fourth Proportional to 119,006.49, 178,422.24 and 56,720.73

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Solution

The fourth proportional to 119,006.49, 178,422.24 and 56,720.73 is: 85,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,006.49 : 178,422.24 = 56,720.73 : x
  2. Step 2: Convert to fraction form
    119,006.49/178,422.24 = 56,720.73/x
  3. Step 3: Cross multiply
    119,006.49x = 178,422.24 × 56,720.73
  4. Step 4: Simplify right side
    119,006.49x = 10,120,239,701.04
  5. Step 5: Solve for x
    x = 10,120,239,701.04/119,006.49
  6. Step 6: Final answer
    x = 85,039.39

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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.