Home / 117,773.77-162,513.07-79,616.32

Finding the Fourth Proportional to 117,773.77, 162,513.07 and 79,616.32

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Solution

The fourth proportional to 117,773.77, 162,513.07 and 79,616.32 is: 109,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,773.77 : 162,513.07 = 79,616.32 : x
  2. Step 2: Convert to fraction form
    117,773.77/162,513.07 = 79,616.32/x
  3. Step 3: Cross multiply
    117,773.77x = 162,513.07 × 79,616.32
  4. Step 4: Simplify right side
    117,773.77x = 12,938,692,427.82
  5. Step 5: Solve for x
    x = 12,938,692,427.82/117,773.77
  6. Step 6: Final answer
    x = 109,860.56

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1.5x scale

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.