Home / 112,186.96-154,768.88-71,329.20

Finding the Fourth Proportional to 112,186.96, 154,768.88 and 71,329.20

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Solution

The fourth proportional to 112,186.96, 154,768.88 and 71,329.20 is: 98,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,186.96 : 154,768.88 = 71,329.20 : x
  2. Step 2: Convert to fraction form
    112,186.96/154,768.88 = 71,329.20/x
  3. Step 3: Cross multiply
    112,186.96x = 154,768.88 × 71,329.20
  4. Step 4: Simplify right side
    112,186.96x = 11,039,540,395.30
  5. Step 5: Solve for x
    x = 11,039,540,395.30/112,186.96
  6. Step 6: Final answer
    x = 98,403.06

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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.