Home / 210,021.76-289,837.30-119,381.52

Finding the Fourth Proportional to 210,021.76, 289,837.30 and 119,381.52

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Solution

The fourth proportional to 210,021.76, 289,837.30 and 119,381.52 is: 164,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,021.76 : 289,837.30 = 119,381.52 : x
  2. Step 2: Convert to fraction form
    210,021.76/289,837.30 = 119,381.52/x
  3. Step 3: Cross multiply
    210,021.76x = 289,837.30 × 119,381.52
  4. Step 4: Simplify right side
    210,021.76x = 34,601,217,426.70
  5. Step 5: Solve for x
    x = 34,601,217,426.70/210,021.76
  6. Step 6: Final answer
    x = 164,750.63

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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.