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Finding the Fourth Proportional to 107,281.48, 160,859.48 and 32,379.16

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Solution

The fourth proportional to 107,281.48, 160,859.48 and 32,379.16 is: 48,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,281.48 : 160,859.48 = 32,379.16 : x
  2. Step 2: Convert to fraction form
    107,281.48/160,859.48 = 32,379.16/x
  3. Step 3: Cross multiply
    107,281.48x = 160,859.48 × 32,379.16
  4. Step 4: Simplify right side
    107,281.48x = 5,208,494,840.44
  5. Step 5: Solve for x
    x = 5,208,494,840.44/107,281.48
  6. Step 6: Final answer
    x = 48,549.80

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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.