Home / 177,923.05-266,884.75-72,742.02

Finding the Fourth Proportional to 177,923.05, 266,884.75 and 72,742.02

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Solution

The fourth proportional to 177,923.05, 266,884.75 and 72,742.02 is: 109,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,923.05 : 266,884.75 = 72,742.02 : x
  2. Step 2: Convert to fraction form
    177,923.05/266,884.75 = 72,742.02/x
  3. Step 3: Cross multiply
    177,923.05x = 266,884.75 × 72,742.02
  4. Step 4: Simplify right side
    177,923.05x = 19,413,736,004.05
  5. Step 5: Solve for x
    x = 19,413,736,004.05/177,923.05
  6. Step 6: Final answer
    x = 109,113.10

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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.