Home / 250,220.07-345,328.40-142,806.15

Finding the Fourth Proportional to 250,220.07, 345,328.40 and 142,806.15

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Solution

The fourth proportional to 250,220.07, 345,328.40 and 142,806.15 is: 197,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,220.07 : 345,328.40 = 142,806.15 : x
  2. Step 2: Convert to fraction form
    250,220.07/345,328.40 = 142,806.15/x
  3. Step 3: Cross multiply
    250,220.07x = 345,328.40 × 142,806.15
  4. Step 4: Simplify right side
    250,220.07x = 49,315,019,646.68
  5. Step 5: Solve for x
    x = 49,315,019,646.68/250,220.07
  6. Step 6: Final answer
    x = 197,086.59

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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.