Home / 257,632.53-355,538.59-142,907.43

Finding the Fourth Proportional to 257,632.53, 355,538.59 and 142,907.43

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Solution

The fourth proportional to 257,632.53, 355,538.59 and 142,907.43 is: 197,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,632.53 : 355,538.59 = 142,907.43 : x
  2. Step 2: Convert to fraction form
    257,632.53/355,538.59 = 142,907.43/x
  3. Step 3: Cross multiply
    257,632.53x = 355,538.59 × 142,907.43
  4. Step 4: Simplify right side
    257,632.53x = 50,809,106,540.70
  5. Step 5: Solve for x
    x = 50,809,106,540.70/257,632.53
  6. Step 6: Final answer
    x = 197,215.41

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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.