Home / 130,490.10-195,384.35-82,847.21

Finding the Fourth Proportional to 130,490.10, 195,384.35 and 82,847.21

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Solution

The fourth proportional to 130,490.10, 195,384.35 and 82,847.21 is: 124,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,490.10 : 195,384.35 = 82,847.21 : x
  2. Step 2: Convert to fraction form
    130,490.10/195,384.35 = 82,847.21/x
  3. Step 3: Cross multiply
    130,490.10x = 195,384.35 × 82,847.21
  4. Step 4: Simplify right side
    130,490.10x = 16,187,047,505.36
  5. Step 5: Solve for x
    x = 16,187,047,505.36/130,490.10
  6. Step 6: Final answer
    x = 124,048.09

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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.