Home / 210,932.27-291,087.03-115,445.12

Finding the Fourth Proportional to 210,932.27, 291,087.03 and 115,445.12

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Solution

The fourth proportional to 210,932.27, 291,087.03 and 115,445.12 is: 159,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,932.27 : 291,087.03 = 115,445.12 : x
  2. Step 2: Convert to fraction form
    210,932.27/291,087.03 = 115,445.12/x
  3. Step 3: Cross multiply
    210,932.27x = 291,087.03 × 115,445.12
  4. Step 4: Simplify right side
    210,932.27x = 33,604,576,744.93
  5. Step 5: Solve for x
    x = 33,604,576,744.93/210,932.27
  6. Step 6: Final answer
    x = 159,314.53

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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.