Home / 89,271.98-133,814.48-30,087.20

Finding the Fourth Proportional to 89,271.98, 133,814.48 and 30,087.20

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Solution

The fourth proportional to 89,271.98, 133,814.48 and 30,087.20 is: 45,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,271.98 : 133,814.48 = 30,087.20 : x
  2. Step 2: Convert to fraction form
    89,271.98/133,814.48 = 30,087.20/x
  3. Step 3: Cross multiply
    89,271.98x = 133,814.48 × 30,087.20
  4. Step 4: Simplify right side
    89,271.98x = 4,026,103,022.66
  5. Step 5: Solve for x
    x = 4,026,103,022.66/89,271.98
  6. Step 6: Final answer
    x = 45,099.29

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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.