Home / 170,910.84-235,865.98-102,949.16

Finding the Fourth Proportional to 170,910.84, 235,865.98 and 102,949.16

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Solution

The fourth proportional to 170,910.84, 235,865.98 and 102,949.16 is: 142,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,910.84 : 235,865.98 = 102,949.16 : x
  2. Step 2: Convert to fraction form
    170,910.84/235,865.98 = 102,949.16/x
  3. Step 3: Cross multiply
    170,910.84x = 235,865.98 × 102,949.16
  4. Step 4: Simplify right side
    170,910.84x = 24,282,204,513.58
  5. Step 5: Solve for x
    x = 24,282,204,513.58/170,910.84
  6. Step 6: Final answer
    x = 142,075.27

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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.