Home / 165,415.50-228,273.66-89,964

Finding the Fourth Proportional to 165,415.50, 228,273.66 and 89,964

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Solution

The fourth proportional to 165,415.50, 228,273.66 and 89,964 is: 124,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,415.50 : 228,273.66 = 89,964 : x
  2. Step 2: Convert to fraction form
    165,415.50/228,273.66 = 89,964/x
  3. Step 3: Cross multiply
    165,415.50x = 228,273.66 × 89,964
  4. Step 4: Simplify right side
    165,415.50x = 20,536,411,548.24
  5. Step 5: Solve for x
    x = 20,536,411,548.24/165,415.50
  6. Step 6: Final answer
    x = 124,150.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.