Home / 172,128.91-237,533.16-95,646.03

Finding the Fourth Proportional to 172,128.91, 237,533.16 and 95,646.03

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Solution

The fourth proportional to 172,128.91, 237,533.16 and 95,646.03 is: 131,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,128.91 : 237,533.16 = 95,646.03 : x
  2. Step 2: Convert to fraction form
    172,128.91/237,533.16 = 95,646.03/x
  3. Step 3: Cross multiply
    172,128.91x = 237,533.16 × 95,646.03
  4. Step 4: Simplify right side
    172,128.91x = 22,719,103,747.35
  5. Step 5: Solve for x
    x = 22,719,103,747.35/172,128.91
  6. Step 6: Final answer
    x = 131,988.89

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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.