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Finding the Fourth Proportional to 167,866.48, 252,047.88 and 112,054.32

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Solution

The fourth proportional to 167,866.48, 252,047.88 and 112,054.32 is: 168,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,866.48 : 252,047.88 = 112,054.32 : x
  2. Step 2: Convert to fraction form
    167,866.48/252,047.88 = 112,054.32/x
  3. Step 3: Cross multiply
    167,866.48x = 252,047.88 × 112,054.32
  4. Step 4: Simplify right side
    167,866.48x = 28,243,053,800.84
  5. Step 5: Solve for x
    x = 28,243,053,800.84/167,866.48
  6. Step 6: Final answer
    x = 168,247.13

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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.