Home / 104,553.89-144,284.56-56,807.29

Finding the Fourth Proportional to 104,553.89, 144,284.56 and 56,807.29

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Solution

The fourth proportional to 104,553.89, 144,284.56 and 56,807.29 is: 78,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553.89 : 144,284.56 = 56,807.29 : x
  2. Step 2: Convert to fraction form
    104,553.89/144,284.56 = 56,807.29/x
  3. Step 3: Cross multiply
    104,553.89x = 144,284.56 × 56,807.29
  4. Step 4: Simplify right side
    104,553.89x = 8,196,414,558.41
  5. Step 5: Solve for x
    x = 8,196,414,558.41/104,553.89
  6. Step 6: Final answer
    x = 78,394.16

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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.