Home / 112,513.82-155,269.11-64,114.36

Finding the Fourth Proportional to 112,513.82, 155,269.11 and 64,114.36

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Solution

The fourth proportional to 112,513.82, 155,269.11 and 64,114.36 is: 88,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,513.82 : 155,269.11 = 64,114.36 : x
  2. Step 2: Convert to fraction form
    112,513.82/155,269.11 = 64,114.36/x
  3. Step 3: Cross multiply
    112,513.82x = 155,269.11 × 64,114.36
  4. Step 4: Simplify right side
    112,513.82x = 9,954,979,180.90
  5. Step 5: Solve for x
    x = 9,954,979,180.90/112,513.82
  6. Step 6: Final answer
    x = 88,477.84

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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.