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Finding the Fourth Proportional to 210,048.53, 289,855.42 and 119,391.89

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Solution

The fourth proportional to 210,048.53, 289,855.42 and 119,391.89 is: 164,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,048.53 : 289,855.42 = 119,391.89 : x
  2. Step 2: Convert to fraction form
    210,048.53/289,855.42 = 119,391.89/x
  3. Step 3: Cross multiply
    210,048.53x = 289,855.42 × 119,391.89
  4. Step 4: Simplify right side
    210,048.53x = 34,606,384,672.79
  5. Step 5: Solve for x
    x = 34,606,384,672.79/210,048.53
  6. Step 6: Final answer
    x = 164,754.24

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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.