Home / 130,450.80-195,677.40-68,242.80

Finding the Fourth Proportional to 130,450.80, 195,677.40 and 68,242.80

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Solution

The fourth proportional to 130,450.80, 195,677.40 and 68,242.80 is: 102,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,450.80 : 195,677.40 = 68,242.80 : x
  2. Step 2: Convert to fraction form
    130,450.80/195,677.40 = 68,242.80/x
  3. Step 3: Cross multiply
    130,450.80x = 195,677.40 × 68,242.80
  4. Step 4: Simplify right side
    130,450.80x = 13,353,573,672.72
  5. Step 5: Solve for x
    x = 13,353,573,672.72/130,450.80
  6. Step 6: Final answer
    x = 102,364.83

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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.