Home / 102,790.17-154,243.58-40,504.41

Finding the Fourth Proportional to 102,790.17, 154,243.58 and 40,504.41

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Solution

The fourth proportional to 102,790.17, 154,243.58 and 40,504.41 is: 60,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,790.17 : 154,243.58 = 40,504.41 : x
  2. Step 2: Convert to fraction form
    102,790.17/154,243.58 = 40,504.41/x
  3. Step 3: Cross multiply
    102,790.17x = 154,243.58 × 40,504.41
  4. Step 4: Simplify right side
    102,790.17x = 6,247,545,001.67
  5. Step 5: Solve for x
    x = 6,247,545,001.67/102,790.17
  6. Step 6: Final answer
    x = 60,779.60

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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.