Home / 255,734.75-352,913.98-142,557.50

Finding the Fourth Proportional to 255,734.75, 352,913.98 and 142,557.50

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Solution

The fourth proportional to 255,734.75, 352,913.98 and 142,557.50 is: 196,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,734.75 : 352,913.98 = 142,557.50 : x
  2. Step 2: Convert to fraction form
    255,734.75/352,913.98 = 142,557.50/x
  3. Step 3: Cross multiply
    255,734.75x = 352,913.98 × 142,557.50
  4. Step 4: Simplify right side
    255,734.75x = 50,310,534,703.85
  5. Step 5: Solve for x
    x = 50,310,534,703.85/255,734.75
  6. Step 6: Final answer
    x = 196,729.36

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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.