Home / 165,350.95-248,128.49-76,587.91

Finding the Fourth Proportional to 165,350.95, 248,128.49 and 76,587.91

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Solution

The fourth proportional to 165,350.95, 248,128.49 and 76,587.91 is: 114,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,350.95 : 248,128.49 = 76,587.91 : x
  2. Step 2: Convert to fraction form
    165,350.95/248,128.49 = 76,587.91/x
  3. Step 3: Cross multiply
    165,350.95x = 248,128.49 × 76,587.91
  4. Step 4: Simplify right side
    165,350.95x = 19,003,642,460.56
  5. Step 5: Solve for x
    x = 19,003,642,460.56/165,350.95
  6. Step 6: Final answer
    x = 114,929.14

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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.