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Finding the Fourth Proportional to 176,771.51, 265,051.50 and 119,915.28

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Solution

The fourth proportional to 176,771.51, 265,051.50 and 119,915.28 is: 179,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,771.51 : 265,051.50 = 119,915.28 : x
  2. Step 2: Convert to fraction form
    176,771.51/265,051.50 = 119,915.28/x
  3. Step 3: Cross multiply
    176,771.51x = 265,051.50 × 119,915.28
  4. Step 4: Simplify right side
    176,771.51x = 31,783,724,836.92
  5. Step 5: Solve for x
    x = 31,783,724,836.92/176,771.51
  6. Step 6: Final answer
    x = 179,801.18

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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.