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Finding the Fourth Proportional to 165,798.92, 228,795.36 and 94,178.72

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Solution

The fourth proportional to 165,798.92, 228,795.36 and 94,178.72 is: 129,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,798.92 : 228,795.36 = 94,178.72 : x
  2. Step 2: Convert to fraction form
    165,798.92/228,795.36 = 94,178.72/x
  3. Step 3: Cross multiply
    165,798.92x = 228,795.36 × 94,178.72
  4. Step 4: Simplify right side
    165,798.92x = 21,547,654,146.74
  5. Step 5: Solve for x
    x = 21,547,654,146.74/165,798.92
  6. Step 6: Final answer
    x = 129,962.57

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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.