Home / 118,985.72-178,525.35-52,379.15

Finding the Fourth Proportional to 118,985.72, 178,525.35 and 52,379.15

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Solution

The fourth proportional to 118,985.72, 178,525.35 and 52,379.15 is: 78,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,985.72 : 178,525.35 = 52,379.15 : x
  2. Step 2: Convert to fraction form
    118,985.72/178,525.35 = 52,379.15/x
  3. Step 3: Cross multiply
    118,985.72x = 178,525.35 × 52,379.15
  4. Step 4: Simplify right side
    118,985.72x = 9,351,005,193.83
  5. Step 5: Solve for x
    x = 9,351,005,193.83/118,985.72
  6. Step 6: Final answer
    x = 78,589.31

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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.