Home / 177,602.10-266,435.55-72,431.70

Finding the Fourth Proportional to 177,602.10, 266,435.55 and 72,431.70

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Solution

The fourth proportional to 177,602.10, 266,435.55 and 72,431.70 is: 108,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,602.10 : 266,435.55 = 72,431.70 : x
  2. Step 2: Convert to fraction form
    177,602.10/266,435.55 = 72,431.70/x
  3. Step 3: Cross multiply
    177,602.10x = 266,435.55 × 72,431.70
  4. Step 4: Simplify right side
    177,602.10x = 19,298,379,826.94
  5. Step 5: Solve for x
    x = 19,298,379,826.94/177,602.10
  6. Step 6: Final answer
    x = 108,660.76

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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.