Home / 255,259.78-352,279.29-142,084.42

Finding the Fourth Proportional to 255,259.78, 352,279.29 and 142,084.42

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Solution

The fourth proportional to 255,259.78, 352,279.29 and 142,084.42 is: 196,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,259.78 : 352,279.29 = 142,084.42 : x
  2. Step 2: Convert to fraction form
    255,259.78/352,279.29 = 142,084.42/x
  3. Step 3: Cross multiply
    255,259.78x = 352,279.29 × 142,084.42
  4. Step 4: Simplify right side
    255,259.78x = 50,053,398,597.66
  5. Step 5: Solve for x
    x = 50,053,398,597.66/255,259.78
  6. Step 6: Final answer
    x = 196,088.07

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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.