Home / 104,911.30-144,777.60-57,164.64

Finding the Fourth Proportional to 104,911.30, 144,777.60 and 57,164.64

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Solution

The fourth proportional to 104,911.30, 144,777.60 and 57,164.64 is: 78,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.30 : 144,777.60 = 57,164.64 : x
  2. Step 2: Convert to fraction form
    104,911.30/144,777.60 = 57,164.64/x
  3. Step 3: Cross multiply
    104,911.30x = 144,777.60 × 57,164.64
  4. Step 4: Simplify right side
    104,911.30x = 8,276,159,384.06
  5. Step 5: Solve for x
    x = 8,276,159,384.06/104,911.30
  6. Step 6: Final answer
    x = 78,887.21

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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.