Home / 109,075.41-163,594.89-30,197.61

Finding the Fourth Proportional to 109,075.41, 163,594.89 and 30,197.61

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Solution

The fourth proportional to 109,075.41, 163,594.89 and 30,197.61 is: 45,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,075.41 : 163,594.89 = 30,197.61 : x
  2. Step 2: Convert to fraction form
    109,075.41/163,594.89 = 30,197.61/x
  3. Step 3: Cross multiply
    109,075.41x = 163,594.89 × 30,197.61
  4. Step 4: Simplify right side
    109,075.41x = 4,940,174,686.21
  5. Step 5: Solve for x
    x = 4,940,174,686.21/109,075.41
  6. Step 6: Final answer
    x = 45,291.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.