Home / 104,814-144,739.36-66,585.92

Finding the Fourth Proportional to 104,814, 144,739.36 and 66,585.92

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Solution

The fourth proportional to 104,814, 144,739.36 and 66,585.92 is: 91,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,814 : 144,739.36 = 66,585.92 : x
  2. Step 2: Convert to fraction form
    104,814/144,739.36 = 66,585.92/x
  3. Step 3: Cross multiply
    104,814x = 144,739.36 × 66,585.92
  4. Step 4: Simplify right side
    104,814x = 9,637,603,445.81
  5. Step 5: Solve for x
    x = 9,637,603,445.81/104,814
  6. Step 6: Final answer
    x = 91,949.58

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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.