Home / 175,977.48-242,759.82-111,338.28

Finding the Fourth Proportional to 175,977.48, 242,759.82 and 111,338.28

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Solution

The fourth proportional to 175,977.48, 242,759.82 and 111,338.28 is: 153,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,977.48 : 242,759.82 = 111,338.28 : x
  2. Step 2: Convert to fraction form
    175,977.48/242,759.82 = 111,338.28/x
  3. Step 3: Cross multiply
    175,977.48x = 242,759.82 × 111,338.28
  4. Step 4: Simplify right side
    175,977.48x = 27,028,460,811.91
  5. Step 5: Solve for x
    x = 27,028,460,811.91/175,977.48
  6. Step 6: Final answer
    x = 153,590.45

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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.