Home / 104,822.31-144,655.13-57,075.95

Finding the Fourth Proportional to 104,822.31, 144,655.13 and 57,075.95

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Solution

The fourth proportional to 104,822.31, 144,655.13 and 57,075.95 is: 78,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,822.31 : 144,655.13 = 57,075.95 : x
  2. Step 2: Convert to fraction form
    104,822.31/144,655.13 = 57,075.95/x
  3. Step 3: Cross multiply
    104,822.31x = 144,655.13 × 57,075.95
  4. Step 4: Simplify right side
    104,822.31x = 8,256,327,958.47
  5. Step 5: Solve for x
    x = 8,256,327,958.47/104,822.31
  6. Step 6: Final answer
    x = 78,764.99

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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.