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Finding the Fourth Proportional to 166,595.22, 229,931 and 98,649.91

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Solution

The fourth proportional to 166,595.22, 229,931 and 98,649.91 is: 136,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,595.22 : 229,931 = 98,649.91 : x
  2. Step 2: Convert to fraction form
    166,595.22/229,931 = 98,649.91/x
  3. Step 3: Cross multiply
    166,595.22x = 229,931 × 98,649.91
  4. Step 4: Simplify right side
    166,595.22x = 22,682,672,456.21
  5. Step 5: Solve for x
    x = 22,682,672,456.21/166,595.22
  6. Step 6: Final answer
    x = 136,154.40

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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.