Home / 250,396.81-345,667.26-142,946.05

Finding the Fourth Proportional to 250,396.81, 345,667.26 and 142,946.05

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Solution

The fourth proportional to 250,396.81, 345,667.26 and 142,946.05 is: 197,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,396.81 : 345,667.26 = 142,946.05 : x
  2. Step 2: Convert to fraction form
    250,396.81/345,667.26 = 142,946.05/x
  3. Step 3: Cross multiply
    250,396.81x = 345,667.26 × 142,946.05
  4. Step 4: Simplify right side
    250,396.81x = 49,411,769,431.32
  5. Step 5: Solve for x
    x = 49,411,769,431.32/250,396.81
  6. Step 6: Final answer
    x = 197,333.86

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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.