Home / 152,356.30-228,570.90-73,405.60

Finding the Fourth Proportional to 152,356.30, 228,570.90 and 73,405.60

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Solution

The fourth proportional to 152,356.30, 228,570.90 and 73,405.60 is: 110,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,356.30 : 228,570.90 = 73,405.60 : x
  2. Step 2: Convert to fraction form
    152,356.30/228,570.90 = 73,405.60/x
  3. Step 3: Cross multiply
    152,356.30x = 228,570.90 × 73,405.60
  4. Step 4: Simplify right side
    152,356.30x = 16,778,384,057.04
  5. Step 5: Solve for x
    x = 16,778,384,057.04/152,356.30
  6. Step 6: Final answer
    x = 110,125.96

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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.