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Finding the Fourth Proportional to 179,878, 269,830.08 and 69,070

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Solution

The fourth proportional to 179,878, 269,830.08 and 69,070 is: 103,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878 : 269,830.08 = 69,070 : x
  2. Step 2: Convert to fraction form
    179,878/269,830.08 = 69,070/x
  3. Step 3: Cross multiply
    179,878x = 269,830.08 × 69,070
  4. Step 4: Simplify right side
    179,878x = 18,637,163,625.60
  5. Step 5: Solve for x
    x = 18,637,163,625.60/179,878
  6. Step 6: Final answer
    x = 103,610.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.