Home / 107,683.36-161,512.32-28,803.70

Finding the Fourth Proportional to 107,683.36, 161,512.32 and 28,803.70

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Solution

The fourth proportional to 107,683.36, 161,512.32 and 28,803.70 is: 43,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,683.36 : 161,512.32 = 28,803.70 : x
  2. Step 2: Convert to fraction form
    107,683.36/161,512.32 = 28,803.70/x
  3. Step 3: Cross multiply
    107,683.36x = 161,512.32 × 28,803.70
  4. Step 4: Simplify right side
    107,683.36x = 4,652,152,411.58
  5. Step 5: Solve for x
    x = 4,652,152,411.58/107,683.36
  6. Step 6: Final answer
    x = 43,202.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.