Home / 130,160.70-195,192.45-90,600.30

Finding the Fourth Proportional to 130,160.70, 195,192.45 and 90,600.30

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Solution

The fourth proportional to 130,160.70, 195,192.45 and 90,600.30 is: 135,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160.70 : 195,192.45 = 90,600.30 : x
  2. Step 2: Convert to fraction form
    130,160.70/195,192.45 = 90,600.30/x
  3. Step 3: Cross multiply
    130,160.70x = 195,192.45 × 90,600.30
  4. Step 4: Simplify right side
    130,160.70x = 17,684,494,527.74
  5. Step 5: Solve for x
    x = 17,684,494,527.74/130,160.70
  6. Step 6: Final answer
    x = 135,866.62

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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.