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Finding the Fourth Proportional to 97,339.92, 146,009.88 and 34,209.60

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Solution

The fourth proportional to 97,339.92, 146,009.88 and 34,209.60 is: 51,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,339.92 : 146,009.88 = 34,209.60 : x
  2. Step 2: Convert to fraction form
    97,339.92/146,009.88 = 34,209.60/x
  3. Step 3: Cross multiply
    97,339.92x = 146,009.88 × 34,209.60
  4. Step 4: Simplify right side
    97,339.92x = 4,994,939,590.85
  5. Step 5: Solve for x
    x = 4,994,939,590.85/97,339.92
  6. Step 6: Final answer
    x = 51,314.40

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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.