Home / 250,040.22-345,057.66-142,615.70

Finding the Fourth Proportional to 250,040.22, 345,057.66 and 142,615.70

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Solution

The fourth proportional to 250,040.22, 345,057.66 and 142,615.70 is: 196,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,040.22 : 345,057.66 = 142,615.70 : x
  2. Step 2: Convert to fraction form
    250,040.22/345,057.66 = 142,615.70/x
  3. Step 3: Cross multiply
    250,040.22x = 345,057.66 × 142,615.70
  4. Step 4: Simplify right side
    250,040.22x = 49,210,637,995.97
  5. Step 5: Solve for x
    x = 49,210,637,995.97/250,040.22
  6. Step 6: Final answer
    x = 196,810.89

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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.