Home / 109,256.08-163,947.84-46,072.30

Finding the Fourth Proportional to 109,256.08, 163,947.84 and 46,072.30

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Solution

The fourth proportional to 109,256.08, 163,947.84 and 46,072.30 is: 69,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256.08 : 163,947.84 = 46,072.30 : x
  2. Step 2: Convert to fraction form
    109,256.08/163,947.84 = 46,072.30/x
  3. Step 3: Cross multiply
    109,256.08x = 163,947.84 × 46,072.30
  4. Step 4: Simplify right side
    109,256.08x = 7,553,454,068.83
  5. Step 5: Solve for x
    x = 7,553,454,068.83/109,256.08
  6. Step 6: Final answer
    x = 69,135.32

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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.