Home / 160,686.72-221,760.75-89,087.94

Finding the Fourth Proportional to 160,686.72, 221,760.75 and 89,087.94

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Solution

The fourth proportional to 160,686.72, 221,760.75 and 89,087.94 is: 122,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686.72 : 221,760.75 = 89,087.94 : x
  2. Step 2: Convert to fraction form
    160,686.72/221,760.75 = 89,087.94/x
  3. Step 3: Cross multiply
    160,686.72x = 221,760.75 × 89,087.94
  4. Step 4: Simplify right side
    160,686.72x = 19,756,208,390.36
  5. Step 5: Solve for x
    x = 19,756,208,390.36/160,686.72
  6. Step 6: Final answer
    x = 122,948.61

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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.