Home / 199,780.29-299,565.14-136,618.34

Finding the Fourth Proportional to 199,780.29, 299,565.14 and 136,618.34

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Solution

The fourth proportional to 199,780.29, 299,565.14 and 136,618.34 is: 204,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,780.29 : 299,565.14 = 136,618.34 : x
  2. Step 2: Convert to fraction form
    199,780.29/299,565.14 = 136,618.34/x
  3. Step 3: Cross multiply
    199,780.29x = 299,565.14 × 136,618.34
  4. Step 4: Simplify right side
    199,780.29x = 40,926,089,967.75
  5. Step 5: Solve for x
    x = 40,926,089,967.75/199,780.29
  6. Step 6: Final answer
    x = 204,855.49

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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.