Home / 250,290.75-345,426.02-142,876.94

Finding the Fourth Proportional to 250,290.75, 345,426.02 and 142,876.94

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Solution

The fourth proportional to 250,290.75, 345,426.02 and 142,876.94 is: 197,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,290.75 : 345,426.02 = 142,876.94 : x
  2. Step 2: Convert to fraction form
    250,290.75/345,426.02 = 142,876.94/x
  3. Step 3: Cross multiply
    250,290.75x = 345,426.02 × 142,876.94
  4. Step 4: Simplify right side
    250,290.75x = 49,353,413,418.95
  5. Step 5: Solve for x
    x = 49,353,413,418.95/250,290.75
  6. Step 6: Final answer
    x = 197,184.33

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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.