Home / 210,100.91-289,843.92-124,001.48

Finding the Fourth Proportional to 210,100.91, 289,843.92 and 124,001.48

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Solution

The fourth proportional to 210,100.91, 289,843.92 and 124,001.48 is: 171,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,100.91 : 289,843.92 = 124,001.48 : x
  2. Step 2: Convert to fraction form
    210,100.91/289,843.92 = 124,001.48/x
  3. Step 3: Cross multiply
    210,100.91x = 289,843.92 × 124,001.48
  4. Step 4: Simplify right side
    210,100.91x = 35,941,075,049.00
  5. Step 5: Solve for x
    x = 35,941,075,049.00/210,100.91
  6. Step 6: Final answer
    x = 171,065.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.