Home / 112,118.80-168,032.40-45,504.40

Finding the Fourth Proportional to 112,118.80, 168,032.40 and 45,504.40

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Solution

The fourth proportional to 112,118.80, 168,032.40 and 45,504.40 is: 68,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118.80 : 168,032.40 = 45,504.40 : x
  2. Step 2: Convert to fraction form
    112,118.80/168,032.40 = 45,504.40/x
  3. Step 3: Cross multiply
    112,118.80x = 168,032.40 × 45,504.40
  4. Step 4: Simplify right side
    112,118.80x = 7,646,213,542.56
  5. Step 5: Solve for x
    x = 7,646,213,542.56/112,118.80
  6. Step 6: Final answer
    x = 68,197.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.