Home / 132,629.40-182,888.28-102,419.64

Finding the Fourth Proportional to 132,629.40, 182,888.28 and 102,419.64

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Solution

The fourth proportional to 132,629.40, 182,888.28 and 102,419.64 is: 141,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.40 : 182,888.28 = 102,419.64 : x
  2. Step 2: Convert to fraction form
    132,629.40/182,888.28 = 102,419.64/x
  3. Step 3: Cross multiply
    132,629.40x = 182,888.28 × 102,419.64
  4. Step 4: Simplify right side
    132,629.40x = 18,731,351,797.82
  5. Step 5: Solve for x
    x = 18,731,351,797.82/132,629.40
  6. Step 6: Final answer
    x = 141,230.77

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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.