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Finding the Fourth Proportional to 130,810.60, 196,230.30 and 47,722.60

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Solution

The fourth proportional to 130,810.60, 196,230.30 and 47,722.60 is: 71,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,810.60 : 196,230.30 = 47,722.60 : x
  2. Step 2: Convert to fraction form
    130,810.60/196,230.30 = 47,722.60/x
  3. Step 3: Cross multiply
    130,810.60x = 196,230.30 × 47,722.60
  4. Step 4: Simplify right side
    130,810.60x = 9,364,620,114.78
  5. Step 5: Solve for x
    x = 9,364,620,114.78/130,810.60
  6. Step 6: Final answer
    x = 71,589.15

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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.