Home / 178,900.23-268,347.60-45,779.34

Finding the Fourth Proportional to 178,900.23, 268,347.60 and 45,779.34

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Solution

The fourth proportional to 178,900.23, 268,347.60 and 45,779.34 is: 68,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,900.23 : 268,347.60 = 45,779.34 : x
  2. Step 2: Convert to fraction form
    178,900.23/268,347.60 = 45,779.34/x
  3. Step 3: Cross multiply
    178,900.23x = 268,347.60 × 45,779.34
  4. Step 4: Simplify right side
    178,900.23x = 12,284,776,018.58
  5. Step 5: Solve for x
    x = 12,284,776,018.58/178,900.23
  6. Step 6: Final answer
    x = 68,668.31

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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.