Home / 165,834.20-248,702.70-77,066.30

Finding the Fourth Proportional to 165,834.20, 248,702.70 and 77,066.30

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Solution

The fourth proportional to 165,834.20, 248,702.70 and 77,066.30 is: 115,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,834.20 : 248,702.70 = 77,066.30 : x
  2. Step 2: Convert to fraction form
    165,834.20/248,702.70 = 77,066.30/x
  3. Step 3: Cross multiply
    165,834.20x = 248,702.70 × 77,066.30
  4. Step 4: Simplify right side
    165,834.20x = 19,166,596,889.01
  5. Step 5: Solve for x
    x = 19,166,596,889.01/165,834.20
  6. Step 6: Final answer
    x = 115,576.86

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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.