Home / 108,767.04-150,069.60-65,736

Finding the Fourth Proportional to 108,767.04, 150,069.60 and 65,736

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Solution

The fourth proportional to 108,767.04, 150,069.60 and 65,736 is: 90,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,767.04 : 150,069.60 = 65,736 : x
  2. Step 2: Convert to fraction form
    108,767.04/150,069.60 = 65,736/x
  3. Step 3: Cross multiply
    108,767.04x = 150,069.60 × 65,736
  4. Step 4: Simplify right side
    108,767.04x = 9,864,975,225.60
  5. Step 5: Solve for x
    x = 9,864,975,225.60/108,767.04
  6. Step 6: Final answer
    x = 90,698.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.