Home / 116,968.46-175,287.44-90,549.50

Finding the Fourth Proportional to 116,968.46, 175,287.44 and 90,549.50

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Solution

The fourth proportional to 116,968.46, 175,287.44 and 90,549.50 is: 135,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,968.46 : 175,287.44 = 90,549.50 : x
  2. Step 2: Convert to fraction form
    116,968.46/175,287.44 = 90,549.50/x
  3. Step 3: Cross multiply
    116,968.46x = 175,287.44 × 90,549.50
  4. Step 4: Simplify right side
    116,968.46x = 15,872,190,048.28
  5. Step 5: Solve for x
    x = 15,872,190,048.28/116,968.46
  6. Step 6: Final answer
    x = 135,696.32

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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.