Home / 165,164.86-227,946.63-155,031.22

Finding the Fourth Proportional to 165,164.86, 227,946.63 and 155,031.22

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Solution

The fourth proportional to 165,164.86, 227,946.63 and 155,031.22 is: 213,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,164.86 : 227,946.63 = 155,031.22 : x
  2. Step 2: Convert to fraction form
    165,164.86/227,946.63 = 155,031.22/x
  3. Step 3: Cross multiply
    165,164.86x = 227,946.63 × 155,031.22
  4. Step 4: Simplify right side
    165,164.86x = 35,338,844,143.79
  5. Step 5: Solve for x
    x = 35,338,844,143.79/165,164.86
  6. Step 6: Final answer
    x = 213,961.03

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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.