Home / 132,002.28-182,089.62-78,235.56

Finding the Fourth Proportional to 132,002.28, 182,089.62 and 78,235.56

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Solution

The fourth proportional to 132,002.28, 182,089.62 and 78,235.56 is: 107,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.28 : 182,089.62 = 78,235.56 : x
  2. Step 2: Convert to fraction form
    132,002.28/182,089.62 = 78,235.56/x
  3. Step 3: Cross multiply
    132,002.28x = 182,089.62 × 78,235.56
  4. Step 4: Simplify right side
    132,002.28x = 14,245,883,390.89
  5. Step 5: Solve for x
    x = 14,245,883,390.89/132,002.28
  6. Step 6: Final answer
    x = 107,921.49

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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.