Home / 146,447.57-202,102.43-81,037.15

Finding the Fourth Proportional to 146,447.57, 202,102.43 and 81,037.15

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Solution

The fourth proportional to 146,447.57, 202,102.43 and 81,037.15 is: 111,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,447.57 : 202,102.43 = 81,037.15 : x
  2. Step 2: Convert to fraction form
    146,447.57/202,102.43 = 81,037.15/x
  3. Step 3: Cross multiply
    146,447.57x = 202,102.43 × 81,037.15
  4. Step 4: Simplify right side
    146,447.57x = 16,377,804,024.83
  5. Step 5: Solve for x
    x = 16,377,804,024.83/146,447.57
  6. Step 6: Final answer
    x = 111,833.91

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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.