Home / 250,110.51-345,120.33-142,674.12

Finding the Fourth Proportional to 250,110.51, 345,120.33 and 142,674.12

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Solution

The fourth proportional to 250,110.51, 345,120.33 and 142,674.12 is: 196,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,110.51 : 345,120.33 = 142,674.12 : x
  2. Step 2: Convert to fraction form
    250,110.51/345,120.33 = 142,674.12/x
  3. Step 3: Cross multiply
    250,110.51x = 345,120.33 × 142,674.12
  4. Step 4: Simplify right side
    250,110.51x = 49,239,739,376.86
  5. Step 5: Solve for x
    x = 49,239,739,376.86/250,110.51
  6. Step 6: Final answer
    x = 196,871.93

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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.