Home / 210,135.24-289,974.78-119,513.22

Finding the Fourth Proportional to 210,135.24, 289,974.78 and 119,513.22

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Solution

The fourth proportional to 210,135.24, 289,974.78 and 119,513.22 is: 164,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,135.24 : 289,974.78 = 119,513.22 : x
  2. Step 2: Convert to fraction form
    210,135.24/289,974.78 = 119,513.22/x
  3. Step 3: Cross multiply
    210,135.24x = 289,974.78 × 119,513.22
  4. Step 4: Simplify right side
    210,135.24x = 34,655,819,676.59
  5. Step 5: Solve for x
    x = 34,655,819,676.59/210,135.24
  6. Step 6: Final answer
    x = 164,921.50

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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.