Home / 140,645.43-211,055.63-102,628.08

Finding the Fourth Proportional to 140,645.43, 211,055.63 and 102,628.08

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Solution

The fourth proportional to 140,645.43, 211,055.63 and 102,628.08 is: 154,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,645.43 : 211,055.63 = 102,628.08 : x
  2. Step 2: Convert to fraction form
    140,645.43/211,055.63 = 102,628.08/x
  3. Step 3: Cross multiply
    140,645.43x = 211,055.63 × 102,628.08
  4. Step 4: Simplify right side
    140,645.43x = 21,660,233,566.95
  5. Step 5: Solve for x
    x = 21,660,233,566.95/140,645.43
  6. Step 6: Final answer
    x = 154,005.95

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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.