Home / 185,428.64-278,257.17-73,089.74

Finding the Fourth Proportional to 185,428.64, 278,257.17 and 73,089.74

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Solution

The fourth proportional to 185,428.64, 278,257.17 and 73,089.74 is: 109,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,428.64 : 278,257.17 = 73,089.74 : x
  2. Step 2: Convert to fraction form
    185,428.64/278,257.17 = 73,089.74/x
  3. Step 3: Cross multiply
    185,428.64x = 278,257.17 × 73,089.74
  4. Step 4: Simplify right side
    185,428.64x = 20,337,745,178.17
  5. Step 5: Solve for x
    x = 20,337,745,178.17/185,428.64
  6. Step 6: Final answer
    x = 109,679.63

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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.