Home / 109,437.09-164,075.70-73,809.85

Finding the Fourth Proportional to 109,437.09, 164,075.70 and 73,809.85

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Solution

The fourth proportional to 109,437.09, 164,075.70 and 73,809.85 is: 110,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,437.09 : 164,075.70 = 73,809.85 : x
  2. Step 2: Convert to fraction form
    109,437.09/164,075.70 = 73,809.85/x
  3. Step 3: Cross multiply
    109,437.09x = 164,075.70 × 73,809.85
  4. Step 4: Simplify right side
    109,437.09x = 12,110,402,805.65
  5. Step 5: Solve for x
    x = 12,110,402,805.65/109,437.09
  6. Step 6: Final answer
    x = 110,660.86

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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.