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Finding the Fourth Proportional to 132,873.58, 183,366.37 and 72,445.23

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Solution

The fourth proportional to 132,873.58, 183,366.37 and 72,445.23 is: 99,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,873.58 : 183,366.37 = 72,445.23 : x
  2. Step 2: Convert to fraction form
    132,873.58/183,366.37 = 72,445.23/x
  3. Step 3: Cross multiply
    132,873.58x = 183,366.37 × 72,445.23
  4. Step 4: Simplify right side
    132,873.58x = 13,284,018,479.44
  5. Step 5: Solve for x
    x = 13,284,018,479.44/132,873.58
  6. Step 6: Final answer
    x = 99,974.87

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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.