Home / 130,456.45-195,740.37-55,611.84

Finding the Fourth Proportional to 130,456.45, 195,740.37 and 55,611.84

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Solution

The fourth proportional to 130,456.45, 195,740.37 and 55,611.84 is: 83,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,456.45 : 195,740.37 = 55,611.84 : x
  2. Step 2: Convert to fraction form
    130,456.45/195,740.37 = 55,611.84/x
  3. Step 3: Cross multiply
    130,456.45x = 195,740.37 × 55,611.84
  4. Step 4: Simplify right side
    130,456.45x = 10,885,482,477.90
  5. Step 5: Solve for x
    x = 10,885,482,477.90/130,456.45
  6. Step 6: Final answer
    x = 83,441.51

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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.