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Finding the Fourth Proportional to 159,130.20, 238,698 and 53,951.88

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Solution

The fourth proportional to 159,130.20, 238,698 and 53,951.88 is: 80,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,130.20 : 238,698 = 53,951.88 : x
  2. Step 2: Convert to fraction form
    159,130.20/238,698 = 53,951.88/x
  3. Step 3: Cross multiply
    159,130.20x = 238,698 × 53,951.88
  4. Step 4: Simplify right side
    159,130.20x = 12,878,205,852.24
  5. Step 5: Solve for x
    x = 12,878,205,852.24/159,130.20
  6. Step 6: Final answer
    x = 80,928.74

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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.