Home / 165,714.42-248,436.63-77,023.74

Finding the Fourth Proportional to 165,714.42, 248,436.63 and 77,023.74

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Solution

The fourth proportional to 165,714.42, 248,436.63 and 77,023.74 is: 115,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,714.42 : 248,436.63 = 77,023.74 : x
  2. Step 2: Convert to fraction form
    165,714.42/248,436.63 = 77,023.74/x
  3. Step 3: Cross multiply
    165,714.42x = 248,436.63 × 77,023.74
  4. Step 4: Simplify right side
    165,714.42x = 19,135,518,395.60
  5. Step 5: Solve for x
    x = 19,135,518,395.60/165,714.42
  6. Step 6: Final answer
    x = 115,472.86

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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.