Home / 210,016.34-289,811.15-119,359.72

Finding the Fourth Proportional to 210,016.34, 289,811.15 and 119,359.72

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Solution

The fourth proportional to 210,016.34, 289,811.15 and 119,359.72 is: 164,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,016.34 : 289,811.15 = 119,359.72 : x
  2. Step 2: Convert to fraction form
    210,016.34/289,811.15 = 119,359.72/x
  3. Step 3: Cross multiply
    210,016.34x = 289,811.15 × 119,359.72
  4. Step 4: Simplify right side
    210,016.34x = 34,591,777,418.48
  5. Step 5: Solve for x
    x = 34,591,777,418.48/210,016.34
  6. Step 6: Final answer
    x = 164,709.94

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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.