Home / 255,226.08-352,206-142,046.40

Finding the Fourth Proportional to 255,226.08, 352,206 and 142,046.40

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Solution

The fourth proportional to 255,226.08, 352,206 and 142,046.40 is: 196,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,226.08 : 352,206 = 142,046.40 : x
  2. Step 2: Convert to fraction form
    255,226.08/352,206 = 142,046.40/x
  3. Step 3: Cross multiply
    255,226.08x = 352,206 × 142,046.40
  4. Step 4: Simplify right side
    255,226.08x = 50,029,594,358.40
  5. Step 5: Solve for x
    x = 50,029,594,358.40/255,226.08
  6. Step 6: Final answer
    x = 196,020.70

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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.