Home / 250,200.09-345,262.89-142,780.11

Finding the Fourth Proportional to 250,200.09, 345,262.89 and 142,780.11

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Solution

The fourth proportional to 250,200.09, 345,262.89 and 142,780.11 is: 197,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,200.09 : 345,262.89 = 142,780.11 : x
  2. Step 2: Convert to fraction form
    250,200.09/345,262.89 = 142,780.11/x
  3. Step 3: Cross multiply
    250,200.09x = 345,262.89 × 142,780.11
  4. Step 4: Simplify right side
    250,200.09x = 49,296,673,413.12
  5. Step 5: Solve for x
    x = 49,296,673,413.12/250,200.09
  6. Step 6: Final answer
    x = 197,029.00

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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.