Home / 100,848.51-151,269.12-30,726

Finding the Fourth Proportional to 100,848.51, 151,269.12 and 30,726

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Solution

The fourth proportional to 100,848.51, 151,269.12 and 30,726 is: 46,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,848.51 : 151,269.12 = 30,726 : x
  2. Step 2: Convert to fraction form
    100,848.51/151,269.12 = 30,726/x
  3. Step 3: Cross multiply
    100,848.51x = 151,269.12 × 30,726
  4. Step 4: Simplify right side
    100,848.51x = 4,647,894,981.12
  5. Step 5: Solve for x
    x = 4,647,894,981.12/100,848.51
  6. Step 6: Final answer
    x = 46,087.89

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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.