Home / 130,056.30-195,084.45-100,531.80

Finding the Fourth Proportional to 130,056.30, 195,084.45 and 100,531.80

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Solution

The fourth proportional to 130,056.30, 195,084.45 and 100,531.80 is: 150,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,056.30 : 195,084.45 = 100,531.80 : x
  2. Step 2: Convert to fraction form
    130,056.30/195,084.45 = 100,531.80/x
  3. Step 3: Cross multiply
    130,056.30x = 195,084.45 × 100,531.80
  4. Step 4: Simplify right side
    130,056.30x = 19,612,190,910.51
  5. Step 5: Solve for x
    x = 19,612,190,910.51/130,056.30
  6. Step 6: Final answer
    x = 150,797.70

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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.