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Finding the Fourth Proportional to 117,435, 162,060.30 and 67,135.08

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Solution

The fourth proportional to 117,435, 162,060.30 and 67,135.08 is: 92,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,435 : 162,060.30 = 67,135.08 : x
  2. Step 2: Convert to fraction form
    117,435/162,060.30 = 67,135.08/x
  3. Step 3: Cross multiply
    117,435x = 162,060.30 × 67,135.08
  4. Step 4: Simplify right side
    117,435x = 10,879,931,205.32
  5. Step 5: Solve for x
    x = 10,879,931,205.32/117,435
  6. Step 6: Final answer
    x = 92,646.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.