Home / 146,573.76-202,267.92-81,160.32

Finding the Fourth Proportional to 146,573.76, 202,267.92 and 81,160.32

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Solution

The fourth proportional to 146,573.76, 202,267.92 and 81,160.32 is: 111,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,573.76 : 202,267.92 = 81,160.32 : x
  2. Step 2: Convert to fraction form
    146,573.76/202,267.92 = 81,160.32/x
  3. Step 3: Cross multiply
    146,573.76x = 202,267.92 × 81,160.32
  4. Step 4: Simplify right side
    146,573.76x = 16,416,129,112.93
  5. Step 5: Solve for x
    x = 16,416,129,112.93/146,573.76
  6. Step 6: Final answer
    x = 111,999.10

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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.