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Finding the Fourth Proportional to 144,077.37, 198,827.01 and 80,415.15

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Solution

The fourth proportional to 144,077.37, 198,827.01 and 80,415.15 is: 110,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,077.37 : 198,827.01 = 80,415.15 : x
  2. Step 2: Convert to fraction form
    144,077.37/198,827.01 = 80,415.15/x
  3. Step 3: Cross multiply
    144,077.37x = 198,827.01 × 80,415.15
  4. Step 4: Simplify right side
    144,077.37x = 15,988,703,833.20
  5. Step 5: Solve for x
    x = 15,988,703,833.20/144,077.37
  6. Step 6: Final answer
    x = 110,973.04

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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.