Home / 160,661.30-221,712.62-89,045.95

Finding the Fourth Proportional to 160,661.30, 221,712.62 and 89,045.95

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Solution

The fourth proportional to 160,661.30, 221,712.62 and 89,045.95 is: 122,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,661.30 : 221,712.62 = 89,045.95 : x
  2. Step 2: Convert to fraction form
    160,661.30/221,712.62 = 89,045.95/x
  3. Step 3: Cross multiply
    160,661.30x = 221,712.62 × 89,045.95
  4. Step 4: Simplify right side
    160,661.30x = 19,742,610,874.89
  5. Step 5: Solve for x
    x = 19,742,610,874.89/160,661.30
  6. Step 6: Final answer
    x = 122,883.43

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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.