Home / 177,926.39-266,889.57-72,720.75

Finding the Fourth Proportional to 177,926.39, 266,889.57 and 72,720.75

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Solution

The fourth proportional to 177,926.39, 266,889.57 and 72,720.75 is: 109,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,926.39 : 266,889.57 = 72,720.75 : x
  2. Step 2: Convert to fraction form
    177,926.39/266,889.57 = 72,720.75/x
  3. Step 3: Cross multiply
    177,926.39x = 266,889.57 × 72,720.75
  4. Step 4: Simplify right side
    177,926.39x = 19,408,409,697.58
  5. Step 5: Solve for x
    x = 19,408,409,697.58/177,926.39
  6. Step 6: Final answer
    x = 109,081.12

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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.