Home / 104,911.56-144,776.13-57,165.30

Finding the Fourth Proportional to 104,911.56, 144,776.13 and 57,165.30

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Solution

The fourth proportional to 104,911.56, 144,776.13 and 57,165.30 is: 78,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.56 : 144,776.13 = 57,165.30 : x
  2. Step 2: Convert to fraction form
    104,911.56/144,776.13 = 57,165.30/x
  3. Step 3: Cross multiply
    104,911.56x = 144,776.13 × 57,165.30
  4. Step 4: Simplify right side
    104,911.56x = 8,276,170,904.29
  5. Step 5: Solve for x
    x = 8,276,170,904.29/104,911.56
  6. Step 6: Final answer
    x = 78,887.12

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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.