Home / 108,724.04-149,975.46-68,373.80

Finding the Fourth Proportional to 108,724.04, 149,975.46 and 68,373.80

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Solution

The fourth proportional to 108,724.04, 149,975.46 and 68,373.80 is: 94,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,724.04 : 149,975.46 = 68,373.80 : x
  2. Step 2: Convert to fraction form
    108,724.04/149,975.46 = 68,373.80/x
  3. Step 3: Cross multiply
    108,724.04x = 149,975.46 × 68,373.80
  4. Step 4: Simplify right side
    108,724.04x = 10,254,392,106.95
  5. Step 5: Solve for x
    x = 10,254,392,106.95/108,724.04
  6. Step 6: Final answer
    x = 94,315.78

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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.