Home / 100,693.07-151,029.83-30,572.99

Finding the Fourth Proportional to 100,693.07, 151,029.83 and 30,572.99

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Solution

The fourth proportional to 100,693.07, 151,029.83 and 30,572.99 is: 45,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,693.07 : 151,029.83 = 30,572.99 : x
  2. Step 2: Convert to fraction form
    100,693.07/151,029.83 = 30,572.99/x
  3. Step 3: Cross multiply
    100,693.07x = 151,029.83 × 30,572.99
  4. Step 4: Simplify right side
    100,693.07x = 4,617,432,803.58
  5. Step 5: Solve for x
    x = 4,617,432,803.58/100,693.07
  6. Step 6: Final answer
    x = 45,856.51

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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.