Home / 123,219.69-184,829.58-52,123.89

Finding the Fourth Proportional to 123,219.69, 184,829.58 and 52,123.89

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Solution

The fourth proportional to 123,219.69, 184,829.58 and 52,123.89 is: 78,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,219.69 : 184,829.58 = 52,123.89 : x
  2. Step 2: Convert to fraction form
    123,219.69/184,829.58 = 52,123.89/x
  3. Step 3: Cross multiply
    123,219.69x = 184,829.58 × 52,123.89
  4. Step 4: Simplify right side
    123,219.69x = 9,634,036,696.67
  5. Step 5: Solve for x
    x = 9,634,036,696.67/123,219.69
  6. Step 6: Final answer
    x = 78,185.85

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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.