Home / 210,389.16-290,338.11-114,895.85

Finding the Fourth Proportional to 210,389.16, 290,338.11 and 114,895.85

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Solution

The fourth proportional to 210,389.16, 290,338.11 and 114,895.85 is: 158,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,389.16 : 290,338.11 = 114,895.85 : x
  2. Step 2: Convert to fraction form
    210,389.16/290,338.11 = 114,895.85/x
  3. Step 3: Cross multiply
    210,389.16x = 290,338.11 × 114,895.85
  4. Step 4: Simplify right side
    210,389.16x = 33,358,644,661.69
  5. Step 5: Solve for x
    x = 33,358,644,661.69/210,389.16
  6. Step 6: Final answer
    x = 158,556.86

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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.