Home / 255,724.56-352,885.32-142,543.44

Finding the Fourth Proportional to 255,724.56, 352,885.32 and 142,543.44

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Solution

The fourth proportional to 255,724.56, 352,885.32 and 142,543.44 is: 196,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,724.56 : 352,885.32 = 142,543.44 : x
  2. Step 2: Convert to fraction form
    255,724.56/352,885.32 = 142,543.44/x
  3. Step 3: Cross multiply
    255,724.56x = 352,885.32 × 142,543.44
  4. Step 4: Simplify right side
    255,724.56x = 50,301,487,438.30
  5. Step 5: Solve for x
    x = 50,301,487,438.30/255,724.56
  6. Step 6: Final answer
    x = 196,701.82

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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.