Home / 109,996.59-151,769.01-66,975.57

Finding the Fourth Proportional to 109,996.59, 151,769.01 and 66,975.57

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Solution

The fourth proportional to 109,996.59, 151,769.01 and 66,975.57 is: 92,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,996.59 : 151,769.01 = 66,975.57 : x
  2. Step 2: Convert to fraction form
    109,996.59/151,769.01 = 66,975.57/x
  3. Step 3: Cross multiply
    109,996.59x = 151,769.01 × 66,975.57
  4. Step 4: Simplify right side
    109,996.59x = 10,164,815,953.09
  5. Step 5: Solve for x
    x = 10,164,815,953.09/109,996.59
  6. Step 6: Final answer
    x = 92,410.28

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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.