Home / 189,244.59-261,145.59-108,615.36

Finding the Fourth Proportional to 189,244.59, 261,145.59 and 108,615.36

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Solution

The fourth proportional to 189,244.59, 261,145.59 and 108,615.36 is: 149,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,244.59 : 261,145.59 = 108,615.36 : x
  2. Step 2: Convert to fraction form
    189,244.59/261,145.59 = 108,615.36/x
  3. Step 3: Cross multiply
    189,244.59x = 261,145.59 × 108,615.36
  4. Step 4: Simplify right side
    189,244.59x = 28,364,422,270.26
  5. Step 5: Solve for x
    x = 28,364,422,270.26/189,244.59
  6. Step 6: Final answer
    x = 149,882.34

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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.