Home / 201,631.91-278,249.93-110,985.93

Finding the Fourth Proportional to 201,631.91, 278,249.93 and 110,985.93

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Solution

The fourth proportional to 201,631.91, 278,249.93 and 110,985.93 is: 153,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,631.91 : 278,249.93 = 110,985.93 : x
  2. Step 2: Convert to fraction form
    201,631.91/278,249.93 = 110,985.93/x
  3. Step 3: Cross multiply
    201,631.91x = 278,249.93 × 110,985.93
  4. Step 4: Simplify right side
    201,631.91x = 30,881,826,698.56
  5. Step 5: Solve for x
    x = 30,881,826,698.56/201,631.91
  6. Step 6: Final answer
    x = 153,159.43

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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.