Home / 255,216.32-352,191.14-142,036.64

Finding the Fourth Proportional to 255,216.32, 352,191.14 and 142,036.64

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Solution

The fourth proportional to 255,216.32, 352,191.14 and 142,036.64 is: 196,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,216.32 : 352,191.14 = 142,036.64 : x
  2. Step 2: Convert to fraction form
    255,216.32/352,191.14 = 142,036.64/x
  3. Step 3: Cross multiply
    255,216.32x = 352,191.14 × 142,036.64
  4. Step 4: Simplify right side
    255,216.32x = 50,024,046,163.37
  5. Step 5: Solve for x
    x = 50,024,046,163.37/255,216.32
  6. Step 6: Final answer
    x = 196,006.46

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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.