Home / 122,466.72-183,768.12-66,306

Finding the Fourth Proportional to 122,466.72, 183,768.12 and 66,306

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Solution

The fourth proportional to 122,466.72, 183,768.12 and 66,306 is: 99,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,466.72 : 183,768.12 = 66,306 : x
  2. Step 2: Convert to fraction form
    122,466.72/183,768.12 = 66,306/x
  3. Step 3: Cross multiply
    122,466.72x = 183,768.12 × 66,306
  4. Step 4: Simplify right side
    122,466.72x = 12,184,928,964.72
  5. Step 5: Solve for x
    x = 12,184,928,964.72/122,466.72
  6. Step 6: Final answer
    x = 99,495.84

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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.