Home / 250,415.41-345,535.05-141,480

Finding the Fourth Proportional to 250,415.41, 345,535.05 and 141,480

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Solution

The fourth proportional to 250,415.41, 345,535.05 and 141,480 is: 195,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,415.41 : 345,535.05 = 141,480 : x
  2. Step 2: Convert to fraction form
    250,415.41/345,535.05 = 141,480/x
  3. Step 3: Cross multiply
    250,415.41x = 345,535.05 × 141,480
  4. Step 4: Simplify right side
    250,415.41x = 48,886,298,166.60
  5. Step 5: Solve for x
    x = 48,886,298,166.60/250,415.41
  6. Step 6: Final answer
    x = 195,220.81

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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.