Home / 104,748.66-144,555.77-57,004.63

Finding the Fourth Proportional to 104,748.66, 144,555.77 and 57,004.63

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Solution

The fourth proportional to 104,748.66, 144,555.77 and 57,004.63 is: 78,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,748.66 : 144,555.77 = 57,004.63 : x
  2. Step 2: Convert to fraction form
    104,748.66/144,555.77 = 57,004.63/x
  3. Step 3: Cross multiply
    104,748.66x = 144,555.77 × 57,004.63
  4. Step 4: Simplify right side
    104,748.66x = 8,240,347,964.34
  5. Step 5: Solve for x
    x = 8,240,347,964.34/104,748.66
  6. Step 6: Final answer
    x = 78,667.81

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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.