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Finding the Fourth Proportional to 160,810.80, 221,915.88 and 88,214

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Solution

The fourth proportional to 160,810.80, 221,915.88 and 88,214 is: 121,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,810.80 : 221,915.88 = 88,214 : x
  2. Step 2: Convert to fraction form
    160,810.80/221,915.88 = 88,214/x
  3. Step 3: Cross multiply
    160,810.80x = 221,915.88 × 88,214
  4. Step 4: Simplify right side
    160,810.80x = 19,576,087,438.32
  5. Step 5: Solve for x
    x = 19,576,087,438.32/160,810.80
  6. Step 6: Final answer
    x = 121,733.66

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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.