Home / 163,579.91-245,369.90-51,260.11

Finding the Fourth Proportional to 163,579.91, 245,369.90 and 51,260.11

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Solution

The fourth proportional to 163,579.91, 245,369.90 and 51,260.11 is: 76,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,579.91 : 245,369.90 = 51,260.11 : x
  2. Step 2: Convert to fraction form
    163,579.91/245,369.90 = 51,260.11/x
  3. Step 3: Cross multiply
    163,579.91x = 245,369.90 × 51,260.11
  4. Step 4: Simplify right side
    163,579.91x = 12,577,687,579.41
  5. Step 5: Solve for x
    x = 12,577,687,579.41/163,579.91
  6. Step 6: Final answer
    x = 76,890.17

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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.