Home / 199,926.20-299,904.80-66,806.93

Finding the Fourth Proportional to 199,926.20, 299,904.80 and 66,806.93

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Solution

The fourth proportional to 199,926.20, 299,904.80 and 66,806.93 is: 100,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,926.20 : 299,904.80 = 66,806.93 : x
  2. Step 2: Convert to fraction form
    199,926.20/299,904.80 = 66,806.93/x
  3. Step 3: Cross multiply
    199,926.20x = 299,904.80 × 66,806.93
  4. Step 4: Simplify right side
    199,926.20x = 20,035,718,980.26
  5. Step 5: Solve for x
    x = 20,035,718,980.26/199,926.20
  6. Step 6: Final answer
    x = 100,215.57

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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.