Home / 201,623.43-278,238.13-110,977.45

Finding the Fourth Proportional to 201,623.43, 278,238.13 and 110,977.45

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Solution

The fourth proportional to 201,623.43, 278,238.13 and 110,977.45 is: 153,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,623.43 : 278,238.13 = 110,977.45 : x
  2. Step 2: Convert to fraction form
    201,623.43/278,238.13 = 110,977.45/x
  3. Step 3: Cross multiply
    201,623.43x = 278,238.13 × 110,977.45
  4. Step 4: Simplify right side
    201,623.43x = 30,878,158,160.17
  5. Step 5: Solve for x
    x = 30,878,158,160.17/201,623.43
  6. Step 6: Final answer
    x = 153,147.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.