Home / 163,620.27-245,458.35-51,278.94

Finding the Fourth Proportional to 163,620.27, 245,458.35 and 51,278.94

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Solution

The fourth proportional to 163,620.27, 245,458.35 and 51,278.94 is: 76,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,620.27 : 245,458.35 = 51,278.94 : x
  2. Step 2: Convert to fraction form
    163,620.27/245,458.35 = 51,278.94/x
  3. Step 3: Cross multiply
    163,620.27x = 245,458.35 × 51,278.94
  4. Step 4: Simplify right side
    163,620.27x = 12,586,844,002.15
  5. Step 5: Solve for x
    x = 12,586,844,002.15/163,620.27
  6. Step 6: Final answer
    x = 76,927.17

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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.