Home / 130,886.30-196,329.45-83,999.90

Finding the Fourth Proportional to 130,886.30, 196,329.45 and 83,999.90

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Solution

The fourth proportional to 130,886.30, 196,329.45 and 83,999.90 is: 125,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,886.30 : 196,329.45 = 83,999.90 : x
  2. Step 2: Convert to fraction form
    130,886.30/196,329.45 = 83,999.90/x
  3. Step 3: Cross multiply
    130,886.30x = 196,329.45 × 83,999.90
  4. Step 4: Simplify right side
    130,886.30x = 16,491,654,167.06
  5. Step 5: Solve for x
    x = 16,491,654,167.06/130,886.30
  6. Step 6: Final answer
    x = 125,999.85

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1.5x scale

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.