Home / 160,723.90-221,804.22-89,110.58

Finding the Fourth Proportional to 160,723.90, 221,804.22 and 89,110.58

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Solution

The fourth proportional to 160,723.90, 221,804.22 and 89,110.58 is: 122,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,723.90 : 221,804.22 = 89,110.58 : x
  2. Step 2: Convert to fraction form
    160,723.90/221,804.22 = 89,110.58/x
  3. Step 3: Cross multiply
    160,723.90x = 221,804.22 × 89,110.58
  4. Step 4: Simplify right side
    160,723.90x = 19,765,102,690.65
  5. Step 5: Solve for x
    x = 19,765,102,690.65/160,723.90
  6. Step 6: Final answer
    x = 122,975.50

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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.