Home / 109,947.10-164,920.65-36,075.10

Finding the Fourth Proportional to 109,947.10, 164,920.65 and 36,075.10

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Solution

The fourth proportional to 109,947.10, 164,920.65 and 36,075.10 is: 54,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,947.10 : 164,920.65 = 36,075.10 : x
  2. Step 2: Convert to fraction form
    109,947.10/164,920.65 = 36,075.10/x
  3. Step 3: Cross multiply
    109,947.10x = 164,920.65 × 36,075.10
  4. Step 4: Simplify right side
    109,947.10x = 5,949,528,940.82
  5. Step 5: Solve for x
    x = 5,949,528,940.82/109,947.10
  6. Step 6: Final answer
    x = 54,112.65

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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.