Home / 117,496.08-162,139.92-63,779.28

Finding the Fourth Proportional to 117,496.08, 162,139.92 and 63,779.28

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Solution

The fourth proportional to 117,496.08, 162,139.92 and 63,779.28 is: 88,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,496.08 : 162,139.92 = 63,779.28 : x
  2. Step 2: Convert to fraction form
    117,496.08/162,139.92 = 63,779.28/x
  3. Step 3: Cross multiply
    117,496.08x = 162,139.92 × 63,779.28
  4. Step 4: Simplify right side
    117,496.08x = 10,341,167,356.86
  5. Step 5: Solve for x
    x = 10,341,167,356.86/117,496.08
  6. Step 6: Final answer
    x = 88,012.87

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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.