Home / 210,041.70-289,846.03-119,385.09

Finding the Fourth Proportional to 210,041.70, 289,846.03 and 119,385.09

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Solution

The fourth proportional to 210,041.70, 289,846.03 and 119,385.09 is: 164,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,041.70 : 289,846.03 = 119,385.09 : x
  2. Step 2: Convert to fraction form
    210,041.70/289,846.03 = 119,385.09/x
  3. Step 3: Cross multiply
    210,041.70x = 289,846.03 × 119,385.09
  4. Step 4: Simplify right side
    210,041.70x = 34,603,292,331.54
  5. Step 5: Solve for x
    x = 34,603,292,331.54/210,041.70
  6. Step 6: Final answer
    x = 164,744.87

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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.