Home / 210,599.03-290,626.89-115,105.79

Finding the Fourth Proportional to 210,599.03, 290,626.89 and 115,105.79

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Solution

The fourth proportional to 210,599.03, 290,626.89 and 115,105.79 is: 158,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,599.03 : 290,626.89 = 115,105.79 : x
  2. Step 2: Convert to fraction form
    210,599.03/290,626.89 = 115,105.79/x
  3. Step 3: Cross multiply
    210,599.03x = 290,626.89 × 115,105.79
  4. Step 4: Simplify right side
    210,599.03x = 33,452,837,768.69
  5. Step 5: Solve for x
    x = 33,452,837,768.69/210,599.03
  6. Step 6: Final answer
    x = 158,846.12

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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.