Home / 255,427.54-352,517.70-140,717.94

Finding the Fourth Proportional to 255,427.54, 352,517.70 and 140,717.94

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Solution

The fourth proportional to 255,427.54, 352,517.70 and 140,717.94 is: 194,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,427.54 : 352,517.70 = 140,717.94 : x
  2. Step 2: Convert to fraction form
    255,427.54/352,517.70 = 140,717.94/x
  3. Step 3: Cross multiply
    255,427.54x = 352,517.70 × 140,717.94
  4. Step 4: Simplify right side
    255,427.54x = 49,605,563,324.45
  5. Step 5: Solve for x
    x = 49,605,563,324.45/255,427.54
  6. Step 6: Final answer
    x = 194,206.01

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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.