Home / 130,022.40-194,899.20-70,732.80

Finding the Fourth Proportional to 130,022.40, 194,899.20 and 70,732.80

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Solution

The fourth proportional to 130,022.40, 194,899.20 and 70,732.80 is: 106,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,022.40 : 194,899.20 = 70,732.80 : x
  2. Step 2: Convert to fraction form
    130,022.40/194,899.20 = 70,732.80/x
  3. Step 3: Cross multiply
    130,022.40x = 194,899.20 × 70,732.80
  4. Step 4: Simplify right side
    130,022.40x = 13,785,766,133.76
  5. Step 5: Solve for x
    x = 13,785,766,133.76/130,022.40
  6. Step 6: Final answer
    x = 106,026.09

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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.