Home / 149,723.40-224,066.70-137,281.80

Finding the Fourth Proportional to 149,723.40, 224,066.70 and 137,281.80

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Solution

The fourth proportional to 149,723.40, 224,066.70 and 137,281.80 is: 205,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,723.40 : 224,066.70 = 137,281.80 : x
  2. Step 2: Convert to fraction form
    149,723.40/224,066.70 = 137,281.80/x
  3. Step 3: Cross multiply
    149,723.40x = 224,066.70 × 137,281.80
  4. Step 4: Simplify right side
    149,723.40x = 30,760,279,896.06
  5. Step 5: Solve for x
    x = 30,760,279,896.06/149,723.40
  6. Step 6: Final answer
    x = 205,447.38

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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.