Home / 132,438.43-182,768.84-72,013.24

Finding the Fourth Proportional to 132,438.43, 182,768.84 and 72,013.24

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Solution

The fourth proportional to 132,438.43, 182,768.84 and 72,013.24 is: 99,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,438.43 : 182,768.84 = 72,013.24 : x
  2. Step 2: Convert to fraction form
    132,438.43/182,768.84 = 72,013.24/x
  3. Step 3: Cross multiply
    132,438.43x = 182,768.84 × 72,013.24
  4. Step 4: Simplify right side
    132,438.43x = 13,161,776,339.44
  5. Step 5: Solve for x
    x = 13,161,776,339.44/132,438.43
  6. Step 6: Final answer
    x = 99,380.34

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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.