Home / 171,031.91-236,108.19-107,404.79

Finding the Fourth Proportional to 171,031.91, 236,108.19 and 107,404.79

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Solution

The fourth proportional to 171,031.91, 236,108.19 and 107,404.79 is: 148,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,031.91 : 236,108.19 = 107,404.79 : x
  2. Step 2: Convert to fraction form
    171,031.91/236,108.19 = 107,404.79/x
  3. Step 3: Cross multiply
    171,031.91x = 236,108.19 × 107,404.79
  4. Step 4: Simplify right side
    171,031.91x = 25,359,149,383.69
  5. Step 5: Solve for x
    x = 25,359,149,383.69/171,031.91
  6. Step 6: Final answer
    x = 148,271.45

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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.