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Finding the Fourth Proportional to 163,379.52, 244,851.21 and 87,322.14

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Solution

The fourth proportional to 163,379.52, 244,851.21 and 87,322.14 is: 130,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,379.52 : 244,851.21 = 87,322.14 : x
  2. Step 2: Convert to fraction form
    163,379.52/244,851.21 = 87,322.14/x
  3. Step 3: Cross multiply
    163,379.52x = 244,851.21 × 87,322.14
  4. Step 4: Simplify right side
    163,379.52x = 21,380,931,638.79
  5. Step 5: Solve for x
    x = 21,380,931,638.79/163,379.52
  6. Step 6: Final answer
    x = 130,866.66

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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.