Home / 152,100.95-228,148.83-45,485.15

Finding the Fourth Proportional to 152,100.95, 228,148.83 and 45,485.15

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Solution

The fourth proportional to 152,100.95, 228,148.83 and 45,485.15 is: 68,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,100.95 : 228,148.83 = 45,485.15 : x
  2. Step 2: Convert to fraction form
    152,100.95/228,148.83 = 45,485.15/x
  3. Step 3: Cross multiply
    152,100.95x = 228,148.83 × 45,485.15
  4. Step 4: Simplify right side
    152,100.95x = 10,377,382,614.13
  5. Step 5: Solve for x
    x = 10,377,382,614.13/152,100.95
  6. Step 6: Final answer
    x = 68,226.94

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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.