Home / 122,439.98-183,647-39,327.50

Finding the Fourth Proportional to 122,439.98, 183,647 and 39,327.50

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Solution

The fourth proportional to 122,439.98, 183,647 and 39,327.50 is: 58,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,439.98 : 183,647 = 39,327.50 : x
  2. Step 2: Convert to fraction form
    122,439.98/183,647 = 39,327.50/x
  3. Step 3: Cross multiply
    122,439.98x = 183,647 × 39,327.50
  4. Step 4: Simplify right side
    122,439.98x = 7,222,377,392.50
  5. Step 5: Solve for x
    x = 7,222,377,392.50/122,439.98
  6. Step 6: Final answer
    x = 58,987.08

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1.5x scale

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.