Home / 165,477.10-248,159.94-53,129.74

Finding the Fourth Proportional to 165,477.10, 248,159.94 and 53,129.74

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Solution

The fourth proportional to 165,477.10, 248,159.94 and 53,129.74 is: 79,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,477.10 : 248,159.94 = 53,129.74 : x
  2. Step 2: Convert to fraction form
    165,477.10/248,159.94 = 53,129.74/x
  3. Step 3: Cross multiply
    165,477.10x = 248,159.94 × 53,129.74
  4. Step 4: Simplify right side
    165,477.10x = 13,184,673,090.62
  5. Step 5: Solve for x
    x = 13,184,673,090.62/165,477.10
  6. Step 6: Final answer
    x = 79,676.72

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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.