Home / 149,126.81-223,528.01-74,302.25

Finding the Fourth Proportional to 149,126.81, 223,528.01 and 74,302.25

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Solution

The fourth proportional to 149,126.81, 223,528.01 and 74,302.25 is: 111,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,126.81 : 223,528.01 = 74,302.25 : x
  2. Step 2: Convert to fraction form
    149,126.81/223,528.01 = 74,302.25/x
  3. Step 3: Cross multiply
    149,126.81x = 223,528.01 × 74,302.25
  4. Step 4: Simplify right side
    149,126.81x = 16,608,632,591.87
  5. Step 5: Solve for x
    x = 16,608,632,591.87/149,126.81
  6. Step 6: Final answer
    x = 111,372.55

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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.