Home / 132,878.32-199,343.16-42,945.24

Finding the Fourth Proportional to 132,878.32, 199,343.16 and 42,945.24

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Solution

The fourth proportional to 132,878.32, 199,343.16 and 42,945.24 is: 64,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,878.32 : 199,343.16 = 42,945.24 : x
  2. Step 2: Convert to fraction form
    132,878.32/199,343.16 = 42,945.24/x
  3. Step 3: Cross multiply
    132,878.32x = 199,343.16 × 42,945.24
  4. Step 4: Simplify right side
    132,878.32x = 8,560,839,848.56
  5. Step 5: Solve for x
    x = 8,560,839,848.56/132,878.32
  6. Step 6: Final answer
    x = 64,426.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.