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Finding the Fourth Proportional to 114,896, 158,556.48 and 64,595.36

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Solution

The fourth proportional to 114,896, 158,556.48 and 64,595.36 is: 89,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,896 : 158,556.48 = 64,595.36 : x
  2. Step 2: Convert to fraction form
    114,896/158,556.48 = 64,595.36/x
  3. Step 3: Cross multiply
    114,896x = 158,556.48 × 64,595.36
  4. Step 4: Simplify right side
    114,896x = 10,242,012,905.93
  5. Step 5: Solve for x
    x = 10,242,012,905.93/114,896
  6. Step 6: Final answer
    x = 89,141.60

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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.