Home / 250,711.56-345,976.02-137,533.32

Finding the Fourth Proportional to 250,711.56, 345,976.02 and 137,533.32

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Solution

The fourth proportional to 250,711.56, 345,976.02 and 137,533.32 is: 189,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,711.56 : 345,976.02 = 137,533.32 : x
  2. Step 2: Convert to fraction form
    250,711.56/345,976.02 = 137,533.32/x
  3. Step 3: Cross multiply
    250,711.56x = 345,976.02 × 137,533.32
  4. Step 4: Simplify right side
    250,711.56x = 47,583,230,670.99
  5. Step 5: Solve for x
    x = 47,583,230,670.99/250,711.56
  6. Step 6: Final answer
    x = 189,792.73

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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.