Home / 250,014.11-345,020.38-135,292.74

Finding the Fourth Proportional to 250,014.11, 345,020.38 and 135,292.74

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Solution

The fourth proportional to 250,014.11, 345,020.38 and 135,292.74 is: 186,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,014.11 : 345,020.38 = 135,292.74 : x
  2. Step 2: Convert to fraction form
    250,014.11/345,020.38 = 135,292.74/x
  3. Step 3: Cross multiply
    250,014.11x = 345,020.38 × 135,292.74
  4. Step 4: Simplify right side
    250,014.11x = 46,678,752,566.04
  5. Step 5: Solve for x
    x = 46,678,752,566.04/250,014.11
  6. Step 6: Final answer
    x = 186,704.47

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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.