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Finding the Fourth Proportional to 169,852.40, 234,409.38 and 101,871.98

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Solution

The fourth proportional to 169,852.40, 234,409.38 and 101,871.98 is: 140,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,852.40 : 234,409.38 = 101,871.98 : x
  2. Step 2: Convert to fraction form
    169,852.40/234,409.38 = 101,871.98/x
  3. Step 3: Cross multiply
    169,852.40x = 234,409.38 × 101,871.98
  4. Step 4: Simplify right side
    169,852.40x = 23,879,747,671.17
  5. Step 5: Solve for x
    x = 23,879,747,671.17/169,852.40
  6. Step 6: Final answer
    x = 140,591.17

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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.