Home / 177,981.40-266,963.76-51,617.80

Finding the Fourth Proportional to 177,981.40, 266,963.76 and 51,617.80

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Solution

The fourth proportional to 177,981.40, 266,963.76 and 51,617.80 is: 77,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,981.40 : 266,963.76 = 51,617.80 : x
  2. Step 2: Convert to fraction form
    177,981.40/266,963.76 = 51,617.80/x
  3. Step 3: Cross multiply
    177,981.40x = 266,963.76 × 51,617.80
  4. Step 4: Simplify right side
    177,981.40x = 13,780,081,970.93
  5. Step 5: Solve for x
    x = 13,780,081,970.93/177,981.40
  6. Step 6: Final answer
    x = 77,424.28

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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.