Home / 117,295.79-161,868.38-63,580.77

Finding the Fourth Proportional to 117,295.79, 161,868.38 and 63,580.77

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Solution

The fourth proportional to 117,295.79, 161,868.38 and 63,580.77 is: 87,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,295.79 : 161,868.38 = 63,580.77 : x
  2. Step 2: Convert to fraction form
    117,295.79/161,868.38 = 63,580.77/x
  3. Step 3: Cross multiply
    117,295.79x = 161,868.38 × 63,580.77
  4. Step 4: Simplify right side
    117,295.79x = 10,291,715,921.15
  5. Step 5: Solve for x
    x = 10,291,715,921.15/117,295.79
  6. Step 6: Final answer
    x = 87,741.57

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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.