Home / 146,861.40-202,678.75-83,199.72

Finding the Fourth Proportional to 146,861.40, 202,678.75 and 83,199.72

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Solution

The fourth proportional to 146,861.40, 202,678.75 and 83,199.72 is: 114,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,861.40 : 202,678.75 = 83,199.72 : x
  2. Step 2: Convert to fraction form
    146,861.40/202,678.75 = 83,199.72/x
  3. Step 3: Cross multiply
    146,861.40x = 202,678.75 × 83,199.72
  4. Step 4: Simplify right side
    146,861.40x = 16,862,814,028.56
  5. Step 5: Solve for x
    x = 16,862,814,028.56/146,861.40
  6. Step 6: Final answer
    x = 114,821.28

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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.