Home / 199,741.35-299,612.81-49,981.21

Finding the Fourth Proportional to 199,741.35, 299,612.81 and 49,981.21

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Solution

The fourth proportional to 199,741.35, 299,612.81 and 49,981.21 is: 74,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,741.35 : 299,612.81 = 49,981.21 : x
  2. Step 2: Convert to fraction form
    199,741.35/299,612.81 = 49,981.21/x
  3. Step 3: Cross multiply
    199,741.35x = 299,612.81 × 49,981.21
  4. Step 4: Simplify right side
    199,741.35x = 14,975,010,775.30
  5. Step 5: Solve for x
    x = 14,975,010,775.30/199,741.35
  6. Step 6: Final answer
    x = 74,972.01

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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.