Home / 130,121.07-195,182.99-45,865.53

Finding the Fourth Proportional to 130,121.07, 195,182.99 and 45,865.53

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Solution

The fourth proportional to 130,121.07, 195,182.99 and 45,865.53 is: 68,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,121.07 : 195,182.99 = 45,865.53 : x
  2. Step 2: Convert to fraction form
    130,121.07/195,182.99 = 45,865.53/x
  3. Step 3: Cross multiply
    130,121.07x = 195,182.99 × 45,865.53
  4. Step 4: Simplify right side
    130,121.07x = 8,952,171,226.00
  5. Step 5: Solve for x
    x = 8,952,171,226.00/130,121.07
  6. Step 6: Final answer
    x = 68,798.78

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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.