Home / 131,785.96-197,649.31-60,640.36

Finding the Fourth Proportional to 131,785.96, 197,649.31 and 60,640.36

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Solution

The fourth proportional to 131,785.96, 197,649.31 and 60,640.36 is: 90,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,785.96 : 197,649.31 = 60,640.36 : x
  2. Step 2: Convert to fraction form
    131,785.96/197,649.31 = 60,640.36/x
  3. Step 3: Cross multiply
    131,785.96x = 197,649.31 × 60,640.36
  4. Step 4: Simplify right side
    131,785.96x = 11,985,525,312.15
  5. Step 5: Solve for x
    x = 11,985,525,312.15/131,785.96
  6. Step 6: Final answer
    x = 90,946.91

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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.