Home / 160,726.78-221,802.59-89,104.96

Finding the Fourth Proportional to 160,726.78, 221,802.59 and 89,104.96

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Solution

The fourth proportional to 160,726.78, 221,802.59 and 89,104.96 is: 122,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,726.78 : 221,802.59 = 89,104.96 : x
  2. Step 2: Convert to fraction form
    160,726.78/221,802.59 = 89,104.96/x
  3. Step 3: Cross multiply
    160,726.78x = 221,802.59 × 89,104.96
  4. Step 4: Simplify right side
    160,726.78x = 19,763,709,355.31
  5. Step 5: Solve for x
    x = 19,763,709,355.31/160,726.78
  6. Step 6: Final answer
    x = 122,964.64

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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.