Home / 109,396.10-164,158.72-46,212.12

Finding the Fourth Proportional to 109,396.10, 164,158.72 and 46,212.12

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Solution

The fourth proportional to 109,396.10, 164,158.72 and 46,212.12 is: 69,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,396.10 : 164,158.72 = 46,212.12 : x
  2. Step 2: Convert to fraction form
    109,396.10/164,158.72 = 46,212.12/x
  3. Step 3: Cross multiply
    109,396.10x = 164,158.72 × 46,212.12
  4. Step 4: Simplify right side
    109,396.10x = 7,586,122,352.16
  5. Step 5: Solve for x
    x = 7,586,122,352.16/109,396.10
  6. Step 6: Final answer
    x = 69,345.45

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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.