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Finding the Fourth Proportional to 177,980.63, 267,076.17 and 65,740.14

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Solution

The fourth proportional to 177,980.63, 267,076.17 and 65,740.14 is: 98,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,980.63 : 267,076.17 = 65,740.14 : x
  2. Step 2: Convert to fraction form
    177,980.63/267,076.17 = 65,740.14/x
  3. Step 3: Cross multiply
    177,980.63x = 267,076.17 × 65,740.14
  4. Step 4: Simplify right side
    177,980.63x = 17,557,624,806.46
  5. Step 5: Solve for x
    x = 17,557,624,806.46/177,980.63
  6. Step 6: Final answer
    x = 98,649.08

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1.5x scale

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.