Home / 117,579.76-162,262.94-63,864.16

Finding the Fourth Proportional to 117,579.76, 162,262.94 and 63,864.16

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Solution

The fourth proportional to 117,579.76, 162,262.94 and 63,864.16 is: 88,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,579.76 : 162,262.94 = 63,864.16 : x
  2. Step 2: Convert to fraction form
    117,579.76/162,262.94 = 63,864.16/x
  3. Step 3: Cross multiply
    117,579.76x = 162,262.94 × 63,864.16
  4. Step 4: Simplify right side
    117,579.76x = 10,362,786,362.23
  5. Step 5: Solve for x
    x = 10,362,786,362.23/117,579.76
  6. Step 6: Final answer
    x = 88,134.10

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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.