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Finding the Fourth Proportional to 104,088, 156,136.32 and 30,216

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Solution

The fourth proportional to 104,088, 156,136.32 and 30,216 is: 45,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,088 : 156,136.32 = 30,216 : x
  2. Step 2: Convert to fraction form
    104,088/156,136.32 = 30,216/x
  3. Step 3: Cross multiply
    104,088x = 156,136.32 × 30,216
  4. Step 4: Simplify right side
    104,088x = 4,717,815,045.12
  5. Step 5: Solve for x
    x = 4,717,815,045.12/104,088
  6. Step 6: Final answer
    x = 45,325.25

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Why These Related Problems?

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