Home / 117,856.85-162,637.57-64,141.97

Finding the Fourth Proportional to 117,856.85, 162,637.57 and 64,141.97

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Solution

The fourth proportional to 117,856.85, 162,637.57 and 64,141.97 is: 88,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,856.85 : 162,637.57 = 64,141.97 : x
  2. Step 2: Convert to fraction form
    117,856.85/162,637.57 = 64,141.97/x
  3. Step 3: Cross multiply
    117,856.85x = 162,637.57 × 64,141.97
  4. Step 4: Simplify right side
    117,856.85x = 10,431,894,135.81
  5. Step 5: Solve for x
    x = 10,431,894,135.81/117,856.85
  6. Step 6: Final answer
    x = 88,513.26

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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.