Home / 160,667.58-221,712.72-92,680.50

Finding the Fourth Proportional to 160,667.58, 221,712.72 and 92,680.50

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Solution

The fourth proportional to 160,667.58, 221,712.72 and 92,680.50 is: 127,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,667.58 : 221,712.72 = 92,680.50 : x
  2. Step 2: Convert to fraction form
    160,667.58/221,712.72 = 92,680.50/x
  3. Step 3: Cross multiply
    160,667.58x = 221,712.72 × 92,680.50
  4. Step 4: Simplify right side
    160,667.58x = 20,548,445,745.96
  5. Step 5: Solve for x
    x = 20,548,445,745.96/160,667.58
  6. Step 6: Final answer
    x = 127,894.16

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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.