Home / 165,354.83-248,031.69-45,411.89

Finding the Fourth Proportional to 165,354.83, 248,031.69 and 45,411.89

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Solution

The fourth proportional to 165,354.83, 248,031.69 and 45,411.89 is: 68,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,354.83 : 248,031.69 = 45,411.89 : x
  2. Step 2: Convert to fraction form
    165,354.83/248,031.69 = 45,411.89/x
  3. Step 3: Cross multiply
    165,354.83x = 248,031.69 × 45,411.89
  4. Step 4: Simplify right side
    165,354.83x = 11,263,586,582.64
  5. Step 5: Solve for x
    x = 11,263,586,582.64/165,354.83
  6. Step 6: Final answer
    x = 68,117.68

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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.