Home / 146,385.03-202,011.39-79,317.03

Finding the Fourth Proportional to 146,385.03, 202,011.39 and 79,317.03

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Solution

The fourth proportional to 146,385.03, 202,011.39 and 79,317.03 is: 109,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,385.03 : 202,011.39 = 79,317.03 : x
  2. Step 2: Convert to fraction form
    146,385.03/202,011.39 = 79,317.03/x
  3. Step 3: Cross multiply
    146,385.03x = 202,011.39 × 79,317.03
  4. Step 4: Simplify right side
    146,385.03x = 16,022,943,480.97
  5. Step 5: Solve for x
    x = 16,022,943,480.97/146,385.03
  6. Step 6: Final answer
    x = 109,457.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.