Home / 122,987.20-184,567.20-52,916.80

Finding the Fourth Proportional to 122,987.20, 184,567.20 and 52,916.80

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Solution

The fourth proportional to 122,987.20, 184,567.20 and 52,916.80 is: 79,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,987.20 : 184,567.20 = 52,916.80 : x
  2. Step 2: Convert to fraction form
    122,987.20/184,567.20 = 52,916.80/x
  3. Step 3: Cross multiply
    122,987.20x = 184,567.20 × 52,916.80
  4. Step 4: Simplify right side
    122,987.20x = 9,766,705,608.96
  5. Step 5: Solve for x
    x = 9,766,705,608.96/122,987.20
  6. Step 6: Final answer
    x = 79,412.37

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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.