Home / 130,817.20-196,245.65-55,937.56

Finding the Fourth Proportional to 130,817.20, 196,245.65 and 55,937.56

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Solution

The fourth proportional to 130,817.20, 196,245.65 and 55,937.56 is: 83,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,817.20 : 196,245.65 = 55,937.56 : x
  2. Step 2: Convert to fraction form
    130,817.20/196,245.65 = 55,937.56/x
  3. Step 3: Cross multiply
    130,817.20x = 196,245.65 × 55,937.56
  4. Step 4: Simplify right side
    130,817.20x = 10,977,502,821.61
  5. Step 5: Solve for x
    x = 10,977,502,821.61/130,817.20
  6. Step 6: Final answer
    x = 83,914.83

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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.