Home / 255,330.06-352,333.71-142,163.34

Finding the Fourth Proportional to 255,330.06, 352,333.71 and 142,163.34

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Solution

The fourth proportional to 255,330.06, 352,333.71 and 142,163.34 is: 196,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,330.06 : 352,333.71 = 142,163.34 : x
  2. Step 2: Convert to fraction form
    255,330.06/352,333.71 = 142,163.34/x
  3. Step 3: Cross multiply
    255,330.06x = 352,333.71 × 142,163.34
  4. Step 4: Simplify right side
    255,330.06x = 50,088,937,008.19
  5. Step 5: Solve for x
    x = 50,088,937,008.19/255,330.06
  6. Step 6: Final answer
    x = 196,173.29

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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.