Home / 152,664.30-228,996.45-105,425.10

Finding the Fourth Proportional to 152,664.30, 228,996.45 and 105,425.10

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Solution

The fourth proportional to 152,664.30, 228,996.45 and 105,425.10 is: 158,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,664.30 : 228,996.45 = 105,425.10 : x
  2. Step 2: Convert to fraction form
    152,664.30/228,996.45 = 105,425.10/x
  3. Step 3: Cross multiply
    152,664.30x = 228,996.45 × 105,425.10
  4. Step 4: Simplify right side
    152,664.30x = 24,141,973,640.90
  5. Step 5: Solve for x
    x = 24,141,973,640.90/152,664.30
  6. Step 6: Final answer
    x = 158,137.65

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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.