Home / 171,742.59-236,956.32-111,315.78

Finding the Fourth Proportional to 171,742.59, 236,956.32 and 111,315.78

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Solution

The fourth proportional to 171,742.59, 236,956.32 and 111,315.78 is: 153,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,742.59 : 236,956.32 = 111,315.78 : x
  2. Step 2: Convert to fraction form
    171,742.59/236,956.32 = 111,315.78/x
  3. Step 3: Cross multiply
    171,742.59x = 236,956.32 × 111,315.78
  4. Step 4: Simplify right side
    171,742.59x = 26,376,977,586.73
  5. Step 5: Solve for x
    x = 26,376,977,586.73/171,742.59
  6. Step 6: Final answer
    x = 153,584.37

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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.