Home / 104,408.18-144,075.30-61,389.42

Finding the Fourth Proportional to 104,408.18, 144,075.30 and 61,389.42

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Solution

The fourth proportional to 104,408.18, 144,075.30 and 61,389.42 is: 84,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,408.18 : 144,075.30 = 61,389.42 : x
  2. Step 2: Convert to fraction form
    104,408.18/144,075.30 = 61,389.42/x
  3. Step 3: Cross multiply
    104,408.18x = 144,075.30 × 61,389.42
  4. Step 4: Simplify right side
    104,408.18x = 8,844,699,103.33
  5. Step 5: Solve for x
    x = 8,844,699,103.33/104,408.18
  6. Step 6: Final answer
    x = 84,712.70

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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.