Home / 100,750.10-151,119.66-30,623.94

Finding the Fourth Proportional to 100,750.10, 151,119.66 and 30,623.94

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Solution

The fourth proportional to 100,750.10, 151,119.66 and 30,623.94 is: 45,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,750.10 : 151,119.66 = 30,623.94 : x
  2. Step 2: Convert to fraction form
    100,750.10/151,119.66 = 30,623.94/x
  3. Step 3: Cross multiply
    100,750.10x = 151,119.66 × 30,623.94
  4. Step 4: Simplify right side
    100,750.10x = 4,627,879,400.66
  5. Step 5: Solve for x
    x = 4,627,879,400.66/100,750.10
  6. Step 6: Final answer
    x = 45,934.24

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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.