Home / 109,946.84-151,654.86-69,618.56

Finding the Fourth Proportional to 109,946.84, 151,654.86 and 69,618.56

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Solution

The fourth proportional to 109,946.84, 151,654.86 and 69,618.56 is: 96,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,946.84 : 151,654.86 = 69,618.56 : x
  2. Step 2: Convert to fraction form
    109,946.84/151,654.86 = 69,618.56/x
  3. Step 3: Cross multiply
    109,946.84x = 151,654.86 × 69,618.56
  4. Step 4: Simplify right side
    109,946.84x = 10,557,992,211.93
  5. Step 5: Solve for x
    x = 10,557,992,211.93/109,946.84
  6. Step 6: Final answer
    x = 96,028.16

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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.