Home / 102,810.84-154,217.32-36,238.56

Finding the Fourth Proportional to 102,810.84, 154,217.32 and 36,238.56

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Solution

The fourth proportional to 102,810.84, 154,217.32 and 36,238.56 is: 54,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,810.84 : 154,217.32 = 36,238.56 : x
  2. Step 2: Convert to fraction form
    102,810.84/154,217.32 = 36,238.56/x
  3. Step 3: Cross multiply
    102,810.84x = 154,217.32 × 36,238.56
  4. Step 4: Simplify right side
    102,810.84x = 5,588,613,603.86
  5. Step 5: Solve for x
    x = 5,588,613,603.86/102,810.84
  6. Step 6: Final answer
    x = 54,358.21

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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.