Home / 104,615.04-144,362.76-56,868

Finding the Fourth Proportional to 104,615.04, 144,362.76 and 56,868

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Solution

The fourth proportional to 104,615.04, 144,362.76 and 56,868 is: 78,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,615.04 : 144,362.76 = 56,868 : x
  2. Step 2: Convert to fraction form
    104,615.04/144,362.76 = 56,868/x
  3. Step 3: Cross multiply
    104,615.04x = 144,362.76 × 56,868
  4. Step 4: Simplify right side
    104,615.04x = 8,209,621,435.68
  5. Step 5: Solve for x
    x = 8,209,621,435.68/104,615.04
  6. Step 6: Final answer
    x = 78,474.58

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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.