Home / 127,376.35-175,775.56-72,926.71

Finding the Fourth Proportional to 127,376.35, 175,775.56 and 72,926.71

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Solution

The fourth proportional to 127,376.35, 175,775.56 and 72,926.71 is: 100,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376.35 : 175,775.56 = 72,926.71 : x
  2. Step 2: Convert to fraction form
    127,376.35/175,775.56 = 72,926.71/x
  3. Step 3: Cross multiply
    127,376.35x = 175,775.56 × 72,926.71
  4. Step 4: Simplify right side
    127,376.35x = 12,818,733,861.30
  5. Step 5: Solve for x
    x = 12,818,733,861.30/127,376.35
  6. Step 6: Final answer
    x = 100,636.69

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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.