Home / 109,719.04-151,415.04-67,300.96

Finding the Fourth Proportional to 109,719.04, 151,415.04 and 67,300.96

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Solution

The fourth proportional to 109,719.04, 151,415.04 and 67,300.96 is: 92,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,719.04 : 151,415.04 = 67,300.96 : x
  2. Step 2: Convert to fraction form
    109,719.04/151,415.04 = 67,300.96/x
  3. Step 3: Cross multiply
    109,719.04x = 151,415.04 × 67,300.96
  4. Step 4: Simplify right side
    109,719.04x = 10,190,377,550.44
  5. Step 5: Solve for x
    x = 10,190,377,550.44/109,719.04
  6. Step 6: Final answer
    x = 92,877.02

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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.