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Finding the Fourth Proportional to 160,339.44, 240,506.64 and 55,159.32

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Solution

The fourth proportional to 160,339.44, 240,506.64 and 55,159.32 is: 82,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,339.44 : 240,506.64 = 55,159.32 : x
  2. Step 2: Convert to fraction form
    160,339.44/240,506.64 = 55,159.32/x
  3. Step 3: Cross multiply
    160,339.44x = 240,506.64 × 55,159.32
  4. Step 4: Simplify right side
    160,339.44x = 13,266,182,717.88
  5. Step 5: Solve for x
    x = 13,266,182,717.88/160,339.44
  6. Step 6: Final answer
    x = 82,738.11

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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.