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Finding the Fourth Proportional to 160,348.05, 221,277.15 and 88,731.09

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Solution

The fourth proportional to 160,348.05, 221,277.15 and 88,731.09 is: 122,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,348.05 : 221,277.15 = 88,731.09 : x
  2. Step 2: Convert to fraction form
    160,348.05/221,277.15 = 88,731.09/x
  3. Step 3: Cross multiply
    160,348.05x = 221,277.15 × 88,731.09
  4. Step 4: Simplify right side
    160,348.05x = 19,634,162,711.59
  5. Step 5: Solve for x
    x = 19,634,162,711.59/160,348.05
  6. Step 6: Final answer
    x = 122,447.16

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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.