Home / 130,315.50-195,475.41-51,429.06

Finding the Fourth Proportional to 130,315.50, 195,475.41 and 51,429.06

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Solution

The fourth proportional to 130,315.50, 195,475.41 and 51,429.06 is: 77,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,315.50 : 195,475.41 = 51,429.06 : x
  2. Step 2: Convert to fraction form
    130,315.50/195,475.41 = 51,429.06/x
  3. Step 3: Cross multiply
    130,315.50x = 195,475.41 × 51,429.06
  4. Step 4: Simplify right side
    130,315.50x = 10,053,116,589.41
  5. Step 5: Solve for x
    x = 10,053,116,589.41/130,315.50
  6. Step 6: Final answer
    x = 77,144.44

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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.