Home / 131,684.96-197,477.76-42,917.60

Finding the Fourth Proportional to 131,684.96, 197,477.76 and 42,917.60

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Solution

The fourth proportional to 131,684.96, 197,477.76 and 42,917.60 is: 64,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,684.96 : 197,477.76 = 42,917.60 : x
  2. Step 2: Convert to fraction form
    131,684.96/197,477.76 = 42,917.60/x
  3. Step 3: Cross multiply
    131,684.96x = 197,477.76 × 42,917.60
  4. Step 4: Simplify right side
    131,684.96x = 8,475,271,512.58
  5. Step 5: Solve for x
    x = 8,475,271,512.58/131,684.96
  6. Step 6: Final answer
    x = 64,360.21

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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.