Home / 104,464.12-144,159.64-56,716.52

Finding the Fourth Proportional to 104,464.12, 144,159.64 and 56,716.52

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Solution

The fourth proportional to 104,464.12, 144,159.64 and 56,716.52 is: 78,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,464.12 : 144,159.64 = 56,716.52 : x
  2. Step 2: Convert to fraction form
    104,464.12/144,159.64 = 56,716.52/x
  3. Step 3: Cross multiply
    104,464.12x = 144,159.64 × 56,716.52
  4. Step 4: Simplify right side
    104,464.12x = 8,176,233,105.25
  5. Step 5: Solve for x
    x = 8,176,233,105.25/104,464.12
  6. Step 6: Final answer
    x = 78,268.34

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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.