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Finding the Fourth Proportional to 176,788.85, 265,101.05 and 64,390.82

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Solution

The fourth proportional to 176,788.85, 265,101.05 and 64,390.82 is: 96,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,788.85 : 265,101.05 = 64,390.82 : x
  2. Step 2: Convert to fraction form
    176,788.85/265,101.05 = 64,390.82/x
  3. Step 3: Cross multiply
    176,788.85x = 265,101.05 × 64,390.82
  4. Step 4: Simplify right side
    176,788.85x = 17,070,072,827.83
  5. Step 5: Solve for x
    x = 17,070,072,827.83/176,788.85
  6. Step 6: Final answer
    x = 96,556.28

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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.