Home / 148,538.94-204,980.16-84,872.64

Finding the Fourth Proportional to 148,538.94, 204,980.16 and 84,872.64

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Solution

The fourth proportional to 148,538.94, 204,980.16 and 84,872.64 is: 117,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,538.94 : 204,980.16 = 84,872.64 : x
  2. Step 2: Convert to fraction form
    148,538.94/204,980.16 = 84,872.64/x
  3. Step 3: Cross multiply
    148,538.94x = 204,980.16 × 84,872.64
  4. Step 4: Simplify right side
    148,538.94x = 17,397,207,326.82
  5. Step 5: Solve for x
    x = 17,397,207,326.82/148,538.94
  6. Step 6: Final answer
    x = 117,122.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.