Home / 149,731.71-224,343.90-90,442.83

Finding the Fourth Proportional to 149,731.71, 224,343.90 and 90,442.83

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Solution

The fourth proportional to 149,731.71, 224,343.90 and 90,442.83 is: 135,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,731.71 : 224,343.90 = 90,442.83 : x
  2. Step 2: Convert to fraction form
    149,731.71/224,343.90 = 90,442.83/x
  3. Step 3: Cross multiply
    149,731.71x = 224,343.90 × 90,442.83
  4. Step 4: Simplify right side
    149,731.71x = 20,290,297,042.96
  5. Step 5: Solve for x
    x = 20,290,297,042.96/149,731.71
  6. Step 6: Final answer
    x = 135,511.02

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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.