Home / 108,955.04-150,409.44-72,716.48

Finding the Fourth Proportional to 108,955.04, 150,409.44 and 72,716.48

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Solution

The fourth proportional to 108,955.04, 150,409.44 and 72,716.48 is: 100,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,955.04 : 150,409.44 = 72,716.48 : x
  2. Step 2: Convert to fraction form
    108,955.04/150,409.44 = 72,716.48/x
  3. Step 3: Cross multiply
    108,955.04x = 150,409.44 × 72,716.48
  4. Step 4: Simplify right side
    108,955.04x = 10,937,245,035.57
  5. Step 5: Solve for x
    x = 10,937,245,035.57/108,955.04
  6. Step 6: Final answer
    x = 100,383.10

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1.5x scale

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.