Home / 197,312.20-295,968.30-72,701.80

Finding the Fourth Proportional to 197,312.20, 295,968.30 and 72,701.80

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Solution

The fourth proportional to 197,312.20, 295,968.30 and 72,701.80 is: 109,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,312.20 : 295,968.30 = 72,701.80 : x
  2. Step 2: Convert to fraction form
    197,312.20/295,968.30 = 72,701.80/x
  3. Step 3: Cross multiply
    197,312.20x = 295,968.30 × 72,701.80
  4. Step 4: Simplify right side
    197,312.20x = 21,517,428,152.94
  5. Step 5: Solve for x
    x = 21,517,428,152.94/197,312.20
  6. Step 6: Final answer
    x = 109,052.70

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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.