Home / 177,336.16-266,124.72-72,174.26

Finding the Fourth Proportional to 177,336.16, 266,124.72 and 72,174.26

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Solution

The fourth proportional to 177,336.16, 266,124.72 and 72,174.26 is: 108,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,336.16 : 266,124.72 = 72,174.26 : x
  2. Step 2: Convert to fraction form
    177,336.16/266,124.72 = 72,174.26/x
  3. Step 3: Cross multiply
    177,336.16x = 266,124.72 × 72,174.26
  4. Step 4: Simplify right side
    177,336.16x = 19,207,354,733.71
  5. Step 5: Solve for x
    x = 19,207,354,733.71/177,336.16
  6. Step 6: Final answer
    x = 108,310.43

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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.