Home / 104,822.61-144,653.31-57,075.18

Finding the Fourth Proportional to 104,822.61, 144,653.31 and 57,075.18

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Solution

The fourth proportional to 104,822.61, 144,653.31 and 57,075.18 is: 78,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,822.61 : 144,653.31 = 57,075.18 : x
  2. Step 2: Convert to fraction form
    104,822.61/144,653.31 = 57,075.18/x
  3. Step 3: Cross multiply
    104,822.61x = 144,653.31 × 57,075.18
  4. Step 4: Simplify right side
    104,822.61x = 8,256,113,705.85
  5. Step 5: Solve for x
    x = 8,256,113,705.85/104,822.61
  6. Step 6: Final answer
    x = 78,762.72

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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.