Home / 178,741.25-268,148.80-52,385.64

Finding the Fourth Proportional to 178,741.25, 268,148.80 and 52,385.64

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Solution

The fourth proportional to 178,741.25, 268,148.80 and 52,385.64 is: 78,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,741.25 : 268,148.80 = 52,385.64 : x
  2. Step 2: Convert to fraction form
    178,741.25/268,148.80 = 52,385.64/x
  3. Step 3: Cross multiply
    178,741.25x = 268,148.80 × 52,385.64
  4. Step 4: Simplify right side
    178,741.25x = 14,047,146,503.23
  5. Step 5: Solve for x
    x = 14,047,146,503.23/178,741.25
  6. Step 6: Final answer
    x = 78,589.28

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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.