Home / 109,318.21-163,945.62-46,152.38

Finding the Fourth Proportional to 109,318.21, 163,945.62 and 46,152.38

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Solution

The fourth proportional to 109,318.21, 163,945.62 and 46,152.38 is: 69,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,318.21 : 163,945.62 = 46,152.38 : x
  2. Step 2: Convert to fraction form
    109,318.21/163,945.62 = 46,152.38/x
  3. Step 3: Cross multiply
    109,318.21x = 163,945.62 × 46,152.38
  4. Step 4: Simplify right side
    109,318.21x = 7,566,480,963.44
  5. Step 5: Solve for x
    x = 7,566,480,963.44/109,318.21
  6. Step 6: Final answer
    x = 69,215.19

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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.