Home / 197,868-273,075.12-108,461.28

Finding the Fourth Proportional to 197,868, 273,075.12 and 108,461.28

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Solution

The fourth proportional to 197,868, 273,075.12 and 108,461.28 is: 149,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,868 : 273,075.12 = 108,461.28 : x
  2. Step 2: Convert to fraction form
    197,868/273,075.12 = 108,461.28/x
  3. Step 3: Cross multiply
    197,868x = 273,075.12 × 108,461.28
  4. Step 4: Simplify right side
    197,868x = 29,618,077,051.35
  5. Step 5: Solve for x
    x = 29,618,077,051.35/197,868
  6. Step 6: Final answer
    x = 149,686.04

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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.