Home / 251,075.97-346,400.55-142,165.42

Finding the Fourth Proportional to 251,075.97, 346,400.55 and 142,165.42

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Solution

The fourth proportional to 251,075.97, 346,400.55 and 142,165.42 is: 196,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,075.97 : 346,400.55 = 142,165.42 : x
  2. Step 2: Convert to fraction form
    251,075.97/346,400.55 = 142,165.42/x
  3. Step 3: Cross multiply
    251,075.97x = 346,400.55 × 142,165.42
  4. Step 4: Simplify right side
    251,075.97x = 49,246,179,678.98
  5. Step 5: Solve for x
    x = 49,246,179,678.98/251,075.97
  6. Step 6: Final answer
    x = 196,140.55

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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.