Home / 109,307.51-163,984.31-35,429.75

Finding the Fourth Proportional to 109,307.51, 163,984.31 and 35,429.75

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Solution

The fourth proportional to 109,307.51, 163,984.31 and 35,429.75 is: 53,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307.51 : 163,984.31 = 35,429.75 : x
  2. Step 2: Convert to fraction form
    109,307.51/163,984.31 = 35,429.75/x
  3. Step 3: Cross multiply
    109,307.51x = 163,984.31 × 35,429.75
  4. Step 4: Simplify right side
    109,307.51x = 5,809,923,107.22
  5. Step 5: Solve for x
    x = 5,809,923,107.22/109,307.51
  6. Step 6: Final answer
    x = 53,152.09

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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.