Home / 130,046.30-195,069.45-100,521.80

Finding the Fourth Proportional to 130,046.30, 195,069.45 and 100,521.80

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Solution

The fourth proportional to 130,046.30, 195,069.45 and 100,521.80 is: 150,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046.30 : 195,069.45 = 100,521.80 : x
  2. Step 2: Convert to fraction form
    130,046.30/195,069.45 = 100,521.80/x
  3. Step 3: Cross multiply
    130,046.30x = 195,069.45 × 100,521.80
  4. Step 4: Simplify right side
    130,046.30x = 19,608,732,239.01
  5. Step 5: Solve for x
    x = 19,608,732,239.01/130,046.30
  6. Step 6: Final answer
    x = 150,782.70

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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.