Home / 130,048.20-195,072.30-97,000.20

Finding the Fourth Proportional to 130,048.20, 195,072.30 and 97,000.20

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Solution

The fourth proportional to 130,048.20, 195,072.30 and 97,000.20 is: 145,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,048.20 : 195,072.30 = 97,000.20 : x
  2. Step 2: Convert to fraction form
    130,048.20/195,072.30 = 97,000.20/x
  3. Step 3: Cross multiply
    130,048.20x = 195,072.30 × 97,000.20
  4. Step 4: Simplify right side
    130,048.20x = 18,922,052,114.46
  5. Step 5: Solve for x
    x = 18,922,052,114.46/130,048.20
  6. Step 6: Final answer
    x = 145,500.30

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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.