Home / 104,782.08-144,599.12-57,035.28

Finding the Fourth Proportional to 104,782.08, 144,599.12 and 57,035.28

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Solution

The fourth proportional to 104,782.08, 144,599.12 and 57,035.28 is: 78,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,782.08 : 144,599.12 = 57,035.28 : x
  2. Step 2: Convert to fraction form
    104,782.08/144,599.12 = 57,035.28/x
  3. Step 3: Cross multiply
    104,782.08x = 144,599.12 × 57,035.28
  4. Step 4: Simplify right side
    104,782.08x = 8,247,251,296.95
  5. Step 5: Solve for x
    x = 8,247,251,296.95/104,782.08
  6. Step 6: Final answer
    x = 78,708.60

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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.