Home / 149,191.26-223,557.12-69,180

Finding the Fourth Proportional to 149,191.26, 223,557.12 and 69,180

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Solution

The fourth proportional to 149,191.26, 223,557.12 and 69,180 is: 103,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,191.26 : 223,557.12 = 69,180 : x
  2. Step 2: Convert to fraction form
    149,191.26/223,557.12 = 69,180/x
  3. Step 3: Cross multiply
    149,191.26x = 223,557.12 × 69,180
  4. Step 4: Simplify right side
    149,191.26x = 15,465,681,561.60
  5. Step 5: Solve for x
    x = 15,465,681,561.60/149,191.26
  6. Step 6: Final answer
    x = 103,663.46

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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.