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Finding the Fourth Proportional to 106,466.48, 159,612.12 and 42,431.12

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Solution

The fourth proportional to 106,466.48, 159,612.12 and 42,431.12 is: 63,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,466.48 : 159,612.12 = 42,431.12 : x
  2. Step 2: Convert to fraction form
    106,466.48/159,612.12 = 42,431.12/x
  3. Step 3: Cross multiply
    106,466.48x = 159,612.12 × 42,431.12
  4. Step 4: Simplify right side
    106,466.48x = 6,772,521,017.17
  5. Step 5: Solve for x
    x = 6,772,521,017.17/106,466.48
  6. Step 6: Final answer
    x = 63,611.77

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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.