Home / 211,555.43-291,954.05-116,064.89

Finding the Fourth Proportional to 211,555.43, 291,954.05 and 116,064.89

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Solution

The fourth proportional to 211,555.43, 291,954.05 and 116,064.89 is: 160,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,555.43 : 291,954.05 = 116,064.89 : x
  2. Step 2: Convert to fraction form
    211,555.43/291,954.05 = 116,064.89/x
  3. Step 3: Cross multiply
    211,555.43x = 291,954.05 × 116,064.89
  4. Step 4: Simplify right side
    211,555.43x = 33,885,613,528.70
  5. Step 5: Solve for x
    x = 33,885,613,528.70/211,555.43
  6. Step 6: Final answer
    x = 160,173.69

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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.