Home / 112,725.40-168,966.06-73,310.80

Finding the Fourth Proportional to 112,725.40, 168,966.06 and 73,310.80

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Solution

The fourth proportional to 112,725.40, 168,966.06 and 73,310.80 is: 109,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,725.40 : 168,966.06 = 73,310.80 : x
  2. Step 2: Convert to fraction form
    112,725.40/168,966.06 = 73,310.80/x
  3. Step 3: Cross multiply
    112,725.40x = 168,966.06 × 73,310.80
  4. Step 4: Simplify right side
    112,725.40x = 12,387,037,031.45
  5. Step 5: Solve for x
    x = 12,387,037,031.45/112,725.40
  6. Step 6: Final answer
    x = 109,886.83

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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.