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Finding the Fourth Proportional to 144,076.32, 216,114.24 and 119,400.48

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Solution

The fourth proportional to 144,076.32, 216,114.24 and 119,400.48 is: 179,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,076.32 : 216,114.24 = 119,400.48 : x
  2. Step 2: Convert to fraction form
    144,076.32/216,114.24 = 119,400.48/x
  3. Step 3: Cross multiply
    144,076.32x = 216,114.24 × 119,400.48
  4. Step 4: Simplify right side
    144,076.32x = 25,804,143,990.84
  5. Step 5: Solve for x
    x = 25,804,143,990.84/144,076.32
  6. Step 6: Final answer
    x = 179,100.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.