Home / 149,985.49-225,088.77-71,099.41

Finding the Fourth Proportional to 149,985.49, 225,088.77 and 71,099.41

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Solution

The fourth proportional to 149,985.49, 225,088.77 and 71,099.41 is: 106,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,985.49 : 225,088.77 = 71,099.41 : x
  2. Step 2: Convert to fraction form
    149,985.49/225,088.77 = 71,099.41/x
  3. Step 3: Cross multiply
    149,985.49x = 225,088.77 × 71,099.41
  4. Step 4: Simplify right side
    149,985.49x = 16,003,678,744.63
  5. Step 5: Solve for x
    x = 16,003,678,744.63/149,985.49
  6. Step 6: Final answer
    x = 106,701.51

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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.