Home / 104,394.12-144,062.64-56,647.08

Finding the Fourth Proportional to 104,394.12, 144,062.64 and 56,647.08

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Solution

The fourth proportional to 104,394.12, 144,062.64 and 56,647.08 is: 78,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,394.12 : 144,062.64 = 56,647.08 : x
  2. Step 2: Convert to fraction form
    104,394.12/144,062.64 = 56,647.08/x
  3. Step 3: Cross multiply
    104,394.12x = 144,062.64 × 56,647.08
  4. Step 4: Simplify right side
    104,394.12x = 8,160,727,893.09
  5. Step 5: Solve for x
    x = 8,160,727,893.09/104,394.12
  6. Step 6: Final answer
    x = 78,172.29

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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.