Home / 210,008.20-289,786.26-119,331.40

Finding the Fourth Proportional to 210,008.20, 289,786.26 and 119,331.40

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Solution

The fourth proportional to 210,008.20, 289,786.26 and 119,331.40 is: 164,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,008.20 : 289,786.26 = 119,331.40 : x
  2. Step 2: Convert to fraction form
    210,008.20/289,786.26 = 119,331.40/x
  3. Step 3: Cross multiply
    210,008.20x = 289,786.26 × 119,331.40
  4. Step 4: Simplify right side
    210,008.20x = 34,580,600,106.56
  5. Step 5: Solve for x
    x = 34,580,600,106.56/210,008.20
  6. Step 6: Final answer
    x = 164,663.09

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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.