Home / 215,085.27-296,891.51-130,202.36

Finding the Fourth Proportional to 215,085.27, 296,891.51 and 130,202.36

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Solution

The fourth proportional to 215,085.27, 296,891.51 and 130,202.36 is: 179,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,085.27 : 296,891.51 = 130,202.36 : x
  2. Step 2: Convert to fraction form
    215,085.27/296,891.51 = 130,202.36/x
  3. Step 3: Cross multiply
    215,085.27x = 296,891.51 × 130,202.36
  4. Step 4: Simplify right side
    215,085.27x = 38,655,973,130.49
  5. Step 5: Solve for x
    x = 38,655,973,130.49/215,085.27
  6. Step 6: Final answer
    x = 179,723.94

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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.