Home / 211,247.16-291,559.35-134,790

Finding the Fourth Proportional to 211,247.16, 291,559.35 and 134,790

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Solution

The fourth proportional to 211,247.16, 291,559.35 and 134,790 is: 186,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,247.16 : 291,559.35 = 134,790 : x
  2. Step 2: Convert to fraction form
    211,247.16/291,559.35 = 134,790/x
  3. Step 3: Cross multiply
    211,247.16x = 291,559.35 × 134,790
  4. Step 4: Simplify right side
    211,247.16x = 39,299,284,786.50
  5. Step 5: Solve for x
    x = 39,299,284,786.50/211,247.16
  6. Step 6: Final answer
    x = 186,034.62

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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.