Home / 195,021.34-292,587.76-115,132.20

Finding the Fourth Proportional to 195,021.34, 292,587.76 and 115,132.20

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Solution

The fourth proportional to 195,021.34, 292,587.76 and 115,132.20 is: 172,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,021.34 : 292,587.76 = 115,132.20 : x
  2. Step 2: Convert to fraction form
    195,021.34/292,587.76 = 115,132.20/x
  3. Step 3: Cross multiply
    195,021.34x = 292,587.76 × 115,132.20
  4. Step 4: Simplify right side
    195,021.34x = 33,686,272,501.87
  5. Step 5: Solve for x
    x = 33,686,272,501.87/195,021.34
  6. Step 6: Final answer
    x = 172,731.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.