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Finding the Fourth Proportional to 177,583.40, 266,148.30 and 72,283.40

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Solution

The fourth proportional to 177,583.40, 266,148.30 and 72,283.40 is: 108,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,583.40 : 266,148.30 = 72,283.40 : x
  2. Step 2: Convert to fraction form
    177,583.40/266,148.30 = 72,283.40/x
  3. Step 3: Cross multiply
    177,583.40x = 266,148.30 × 72,283.40
  4. Step 4: Simplify right side
    177,583.40x = 19,238,104,028.22
  5. Step 5: Solve for x
    x = 19,238,104,028.22/177,583.40
  6. Step 6: Final answer
    x = 108,332.78

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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.