Home / 160,485.21-221,466.87-88,863.69

Finding the Fourth Proportional to 160,485.21, 221,466.87 and 88,863.69

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Solution

The fourth proportional to 160,485.21, 221,466.87 and 88,863.69 is: 122,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,485.21 : 221,466.87 = 88,863.69 : x
  2. Step 2: Convert to fraction form
    160,485.21/221,466.87 = 88,863.69/x
  3. Step 3: Cross multiply
    160,485.21x = 221,466.87 × 88,863.69
  4. Step 4: Simplify right side
    160,485.21x = 19,680,363,280.95
  5. Step 5: Solve for x
    x = 19,680,363,280.95/160,485.21
  6. Step 6: Final answer
    x = 122,630.39

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1.5x scale

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.