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Finding the Fourth Proportional to 169,596.44, 234,031.38 and 94,139

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Solution

The fourth proportional to 169,596.44, 234,031.38 and 94,139 is: 129,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,596.44 : 234,031.38 = 94,139 : x
  2. Step 2: Convert to fraction form
    169,596.44/234,031.38 = 94,139/x
  3. Step 3: Cross multiply
    169,596.44x = 234,031.38 × 94,139
  4. Step 4: Simplify right side
    169,596.44x = 22,031,480,081.82
  5. Step 5: Solve for x
    x = 22,031,480,081.82/169,596.44
  6. Step 6: Final answer
    x = 129,905.32

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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.