Home / 255,416.08-352,448.95-142,249.36

Finding the Fourth Proportional to 255,416.08, 352,448.95 and 142,249.36

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Solution

The fourth proportional to 255,416.08, 352,448.95 and 142,249.36 is: 196,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,416.08 : 352,448.95 = 142,249.36 : x
  2. Step 2: Convert to fraction form
    255,416.08/352,448.95 = 142,249.36/x
  3. Step 3: Cross multiply
    255,416.08x = 352,448.95 × 142,249.36
  4. Step 4: Simplify right side
    255,416.08x = 50,135,635,807.93
  5. Step 5: Solve for x
    x = 50,135,635,807.93/255,416.08
  6. Step 6: Final answer
    x = 196,290.06

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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.