Home / 130,133.40-195,221.70-51,250.20

Finding the Fourth Proportional to 130,133.40, 195,221.70 and 51,250.20

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Solution

The fourth proportional to 130,133.40, 195,221.70 and 51,250.20 is: 76,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,133.40 : 195,221.70 = 51,250.20 : x
  2. Step 2: Convert to fraction form
    130,133.40/195,221.70 = 51,250.20/x
  3. Step 3: Cross multiply
    130,133.40x = 195,221.70 × 51,250.20
  4. Step 4: Simplify right side
    130,133.40x = 10,005,151,169.34
  5. Step 5: Solve for x
    x = 10,005,151,169.34/130,133.40
  6. Step 6: Final answer
    x = 76,883.81

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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.