Home / 250,146.23-345,199.32-135,421.84

Finding the Fourth Proportional to 250,146.23, 345,199.32 and 135,421.84

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Solution

The fourth proportional to 250,146.23, 345,199.32 and 135,421.84 is: 186,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,146.23 : 345,199.32 = 135,421.84 : x
  2. Step 2: Convert to fraction form
    250,146.23/345,199.32 = 135,421.84/x
  3. Step 3: Cross multiply
    250,146.23x = 345,199.32 × 135,421.84
  4. Step 4: Simplify right side
    250,146.23x = 46,747,527,081.15
  5. Step 5: Solve for x
    x = 46,747,527,081.15/250,146.23
  6. Step 6: Final answer
    x = 186,880.80

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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.