Home / 152,310.02-228,329.41-72,298.63

Finding the Fourth Proportional to 152,310.02, 228,329.41 and 72,298.63

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Solution

The fourth proportional to 152,310.02, 228,329.41 and 72,298.63 is: 108,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,310.02 : 228,329.41 = 72,298.63 : x
  2. Step 2: Convert to fraction form
    152,310.02/228,329.41 = 72,298.63/x
  3. Step 3: Cross multiply
    152,310.02x = 228,329.41 × 72,298.63
  4. Step 4: Simplify right side
    152,310.02x = 16,507,902,960.88
  5. Step 5: Solve for x
    x = 16,507,902,960.88/152,310.02
  6. Step 6: Final answer
    x = 108,383.56

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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.