Home / 104,271.01-156,428.39-45,115.09

Finding the Fourth Proportional to 104,271.01, 156,428.39 and 45,115.09

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Solution

The fourth proportional to 104,271.01, 156,428.39 and 45,115.09 is: 67,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,271.01 : 156,428.39 = 45,115.09 : x
  2. Step 2: Convert to fraction form
    104,271.01/156,428.39 = 45,115.09/x
  3. Step 3: Cross multiply
    104,271.01x = 156,428.39 × 45,115.09
  4. Step 4: Simplify right side
    104,271.01x = 7,057,280,893.41
  5. Step 5: Solve for x
    x = 7,057,280,893.41/104,271.01
  6. Step 6: Final answer
    x = 67,682.10

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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.