Home / 177,334.87-266,122.80-72,172.98

Finding the Fourth Proportional to 177,334.87, 266,122.80 and 72,172.98

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Solution

The fourth proportional to 177,334.87, 266,122.80 and 72,172.98 is: 108,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,334.87 : 266,122.80 = 72,172.98 : x
  2. Step 2: Convert to fraction form
    177,334.87/266,122.80 = 72,172.98/x
  3. Step 3: Cross multiply
    177,334.87x = 266,122.80 × 72,172.98
  4. Step 4: Simplify right side
    177,334.87x = 19,206,875,521.94
  5. Step 5: Solve for x
    x = 19,206,875,521.94/177,334.87
  6. Step 6: Final answer
    x = 108,308.51

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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.