Home / 130,817.60-196,240.80-47,729.60

Finding the Fourth Proportional to 130,817.60, 196,240.80 and 47,729.60

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Solution

The fourth proportional to 130,817.60, 196,240.80 and 47,729.60 is: 71,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,817.60 : 196,240.80 = 47,729.60 : x
  2. Step 2: Convert to fraction form
    130,817.60/196,240.80 = 47,729.60/x
  3. Step 3: Cross multiply
    130,817.60x = 196,240.80 × 47,729.60
  4. Step 4: Simplify right side
    130,817.60x = 9,366,494,887.68
  5. Step 5: Solve for x
    x = 9,366,494,887.68/130,817.60
  6. Step 6: Final answer
    x = 71,599.65

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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.