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Finding the Fourth Proportional to 105,556.88, 158,335.32 and 43,202

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Solution

The fourth proportional to 105,556.88, 158,335.32 and 43,202 is: 64,803

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,556.88 : 158,335.32 = 43,202 : x
  2. Step 2: Convert to fraction form
    105,556.88/158,335.32 = 43,202/x
  3. Step 3: Cross multiply
    105,556.88x = 158,335.32 × 43,202
  4. Step 4: Simplify right side
    105,556.88x = 6,840,402,494.64
  5. Step 5: Solve for x
    x = 6,840,402,494.64/105,556.88
  6. Step 6: Final answer
    x = 64,803

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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.