Home / 153,052.23-211,201.83-85,064.79

Finding the Fourth Proportional to 153,052.23, 211,201.83 and 85,064.79

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Solution

The fourth proportional to 153,052.23, 211,201.83 and 85,064.79 is: 117,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,052.23 : 211,201.83 = 85,064.79 : x
  2. Step 2: Convert to fraction form
    153,052.23/211,201.83 = 85,064.79/x
  3. Step 3: Cross multiply
    153,052.23x = 211,201.83 × 85,064.79
  4. Step 4: Simplify right side
    153,052.23x = 17,965,839,316.57
  5. Step 5: Solve for x
    x = 17,965,839,316.57/153,052.23
  6. Step 6: Final answer
    x = 117,383.71

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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.