Home / 149,511.30-224,396.52-78,484.16

Finding the Fourth Proportional to 149,511.30, 224,396.52 and 78,484.16

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Solution

The fourth proportional to 149,511.30, 224,396.52 and 78,484.16 is: 117,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,511.30 : 224,396.52 = 78,484.16 : x
  2. Step 2: Convert to fraction form
    149,511.30/224,396.52 = 78,484.16/x
  3. Step 3: Cross multiply
    149,511.30x = 224,396.52 × 78,484.16
  4. Step 4: Simplify right side
    149,511.30x = 17,611,571,257.14
  5. Step 5: Solve for x
    x = 17,611,571,257.14/149,511.30
  6. Step 6: Final answer
    x = 117,794.25

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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.