Home / 131,635.80-197,453.70-130,323.60

Finding the Fourth Proportional to 131,635.80, 197,453.70 and 130,323.60

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Solution

The fourth proportional to 131,635.80, 197,453.70 and 130,323.60 is: 195,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,635.80 : 197,453.70 = 130,323.60 : x
  2. Step 2: Convert to fraction form
    131,635.80/197,453.70 = 130,323.60/x
  3. Step 3: Cross multiply
    131,635.80x = 197,453.70 × 130,323.60
  4. Step 4: Simplify right side
    131,635.80x = 25,732,877,017.32
  5. Step 5: Solve for x
    x = 25,732,877,017.32/131,635.80
  6. Step 6: Final answer
    x = 195,485.40

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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.