Home / 145,645.26-218,469.33-45,803.22

Finding the Fourth Proportional to 145,645.26, 218,469.33 and 45,803.22

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Solution

The fourth proportional to 145,645.26, 218,469.33 and 45,803.22 is: 68,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,645.26 : 218,469.33 = 45,803.22 : x
  2. Step 2: Convert to fraction form
    145,645.26/218,469.33 = 45,803.22/x
  3. Step 3: Cross multiply
    145,645.26x = 218,469.33 × 45,803.22
  4. Step 4: Simplify right side
    145,645.26x = 10,006,598,785.24
  5. Step 5: Solve for x
    x = 10,006,598,785.24/145,645.26
  6. Step 6: Final answer
    x = 68,705.28

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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.