Home / 175,727.40-263,591.10-128,725.80

Finding the Fourth Proportional to 175,727.40, 263,591.10 and 128,725.80

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Solution

The fourth proportional to 175,727.40, 263,591.10 and 128,725.80 is: 193,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,727.40 : 263,591.10 = 128,725.80 : x
  2. Step 2: Convert to fraction form
    175,727.40/263,591.10 = 128,725.80/x
  3. Step 3: Cross multiply
    175,727.40x = 263,591.10 × 128,725.80
  4. Step 4: Simplify right side
    175,727.40x = 33,930,975,220.38
  5. Step 5: Solve for x
    x = 33,930,975,220.38/175,727.40
  6. Step 6: Final answer
    x = 193,088.70

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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.