Home / 196,999.12-271,970.76-130,125.52

Finding the Fourth Proportional to 196,999.12, 271,970.76 and 130,125.52

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Solution

The fourth proportional to 196,999.12, 271,970.76 and 130,125.52 is: 179,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,999.12 : 271,970.76 = 130,125.52 : x
  2. Step 2: Convert to fraction form
    196,999.12/271,970.76 = 130,125.52/x
  3. Step 3: Cross multiply
    196,999.12x = 271,970.76 × 130,125.52
  4. Step 4: Simplify right side
    196,999.12x = 35,390,336,569.80
  5. Step 5: Solve for x
    x = 35,390,336,569.80/196,999.12
  6. Step 6: Final answer
    x = 179,647.18

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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.