Home / 202,487.04-279,037.44-145,791.36

Finding the Fourth Proportional to 202,487.04, 279,037.44 and 145,791.36

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Solution

The fourth proportional to 202,487.04, 279,037.44 and 145,791.36 is: 200,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,487.04 : 279,037.44 = 145,791.36 : x
  2. Step 2: Convert to fraction form
    202,487.04/279,037.44 = 145,791.36/x
  3. Step 3: Cross multiply
    202,487.04x = 279,037.44 × 145,791.36
  4. Step 4: Simplify right side
    202,487.04x = 40,681,247,868.52
  5. Step 5: Solve for x
    x = 40,681,247,868.52/202,487.04
  6. Step 6: Final answer
    x = 200,907.91

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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.