Home / 130,387.20-195,638.40-60,230.40

Finding the Fourth Proportional to 130,387.20, 195,638.40 and 60,230.40

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Solution

The fourth proportional to 130,387.20, 195,638.40 and 60,230.40 is: 90,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,387.20 : 195,638.40 = 60,230.40 : x
  2. Step 2: Convert to fraction form
    130,387.20/195,638.40 = 60,230.40/x
  3. Step 3: Cross multiply
    130,387.20x = 195,638.40 × 60,230.40
  4. Step 4: Simplify right side
    130,387.20x = 11,783,379,087.36
  5. Step 5: Solve for x
    x = 11,783,379,087.36/130,387.20
  6. Step 6: Final answer
    x = 90,372.21

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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.