Home / 250,688.32-345,948.96-155,176

Finding the Fourth Proportional to 250,688.32, 345,948.96 and 155,176

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Solution

The fourth proportional to 250,688.32, 345,948.96 and 155,176 is: 214,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,688.32 : 345,948.96 = 155,176 : x
  2. Step 2: Convert to fraction form
    250,688.32/345,948.96 = 155,176/x
  3. Step 3: Cross multiply
    250,688.32x = 345,948.96 × 155,176
  4. Step 4: Simplify right side
    250,688.32x = 53,682,975,816.96
  5. Step 5: Solve for x
    x = 53,682,975,816.96/250,688.32
  6. Step 6: Final answer
    x = 214,142.31

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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.