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Finding the Fourth Proportional to 169,395.55, 234,040.44 and 144,168.51

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Solution

The fourth proportional to 169,395.55, 234,040.44 and 144,168.51 is: 199,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,395.55 : 234,040.44 = 144,168.51 : x
  2. Step 2: Convert to fraction form
    169,395.55/234,040.44 = 144,168.51/x
  3. Step 3: Cross multiply
    169,395.55x = 234,040.44 × 144,168.51
  4. Step 4: Simplify right side
    169,395.55x = 33,741,260,344.34
  5. Step 5: Solve for x
    x = 33,741,260,344.34/169,395.55
  6. Step 6: Final answer
    x = 199,186.23

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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.