Home / 250,020.47-345,029.16-135,299.10

Finding the Fourth Proportional to 250,020.47, 345,029.16 and 135,299.10

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Solution

The fourth proportional to 250,020.47, 345,029.16 and 135,299.10 is: 186,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,020.47 : 345,029.16 = 135,299.10 : x
  2. Step 2: Convert to fraction form
    250,020.47/345,029.16 = 135,299.10/x
  3. Step 3: Cross multiply
    250,020.47x = 345,029.16 × 135,299.10
  4. Step 4: Simplify right side
    250,020.47x = 46,682,134,821.76
  5. Step 5: Solve for x
    x = 46,682,134,821.76/250,020.47
  6. Step 6: Final answer
    x = 186,713.25

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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.