Home / 210,363.04-290,289.68-123,174.72

Finding the Fourth Proportional to 210,363.04, 290,289.68 and 123,174.72

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Solution

The fourth proportional to 210,363.04, 290,289.68 and 123,174.72 is: 169,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,363.04 : 290,289.68 = 123,174.72 : x
  2. Step 2: Convert to fraction form
    210,363.04/290,289.68 = 123,174.72/x
  3. Step 3: Cross multiply
    210,363.04x = 290,289.68 × 123,174.72
  4. Step 4: Simplify right side
    210,363.04x = 35,756,350,052.89
  5. Step 5: Solve for x
    x = 35,756,350,052.89/210,363.04
  6. Step 6: Final answer
    x = 169,974.49

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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.