Home / 152,787.90-210,836.88-84,802.44

Finding the Fourth Proportional to 152,787.90, 210,836.88 and 84,802.44

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Solution

The fourth proportional to 152,787.90, 210,836.88 and 84,802.44 is: 117,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,787.90 : 210,836.88 = 84,802.44 : x
  2. Step 2: Convert to fraction form
    152,787.90/210,836.88 = 84,802.44/x
  3. Step 3: Cross multiply
    152,787.90x = 210,836.88 × 84,802.44
  4. Step 4: Simplify right side
    152,787.90x = 17,879,481,865.99
  5. Step 5: Solve for x
    x = 17,879,481,865.99/152,787.90
  6. Step 6: Final answer
    x = 117,021.58

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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.