Home / 150,853.82-208,171.54-90,457.79

Finding the Fourth Proportional to 150,853.82, 208,171.54 and 90,457.79

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Solution

The fourth proportional to 150,853.82, 208,171.54 and 90,457.79 is: 124,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,853.82 : 208,171.54 = 90,457.79 : x
  2. Step 2: Convert to fraction form
    150,853.82/208,171.54 = 90,457.79/x
  3. Step 3: Cross multiply
    150,853.82x = 208,171.54 × 90,457.79
  4. Step 4: Simplify right side
    150,853.82x = 18,830,737,223.15
  5. Step 5: Solve for x
    x = 18,830,737,223.15/150,853.82
  6. Step 6: Final answer
    x = 124,827.71

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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.