Home / 112,179.04-154,492.14-109,729.60

Finding the Fourth Proportional to 112,179.04, 154,492.14 and 109,729.60

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Solution

The fourth proportional to 112,179.04, 154,492.14 and 109,729.60 is: 151,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,179.04 : 154,492.14 = 109,729.60 : x
  2. Step 2: Convert to fraction form
    112,179.04/154,492.14 = 109,729.60/x
  3. Step 3: Cross multiply
    112,179.04x = 154,492.14 × 109,729.60
  4. Step 4: Simplify right side
    112,179.04x = 16,952,360,750.60
  5. Step 5: Solve for x
    x = 16,952,360,750.60/112,179.04
  6. Step 6: Final answer
    x = 151,118.79

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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.