Home / 136,694.04-188,602.20-80,075.04

Finding the Fourth Proportional to 136,694.04, 188,602.20 and 80,075.04

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Solution

The fourth proportional to 136,694.04, 188,602.20 and 80,075.04 is: 110,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,694.04 : 188,602.20 = 80,075.04 : x
  2. Step 2: Convert to fraction form
    136,694.04/188,602.20 = 80,075.04/x
  3. Step 3: Cross multiply
    136,694.04x = 188,602.20 × 80,075.04
  4. Step 4: Simplify right side
    136,694.04x = 15,102,328,709.09
  5. Step 5: Solve for x
    x = 15,102,328,709.09/136,694.04
  6. Step 6: Final answer
    x = 110,482.72

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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.