Home / 90,223.94-135,066.27-54,577.39

Finding the Fourth Proportional to 90,223.94, 135,066.27 and 54,577.39

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Solution

The fourth proportional to 90,223.94, 135,066.27 and 54,577.39 is: 81,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,223.94 : 135,066.27 = 54,577.39 : x
  2. Step 2: Convert to fraction form
    90,223.94/135,066.27 = 54,577.39/x
  3. Step 3: Cross multiply
    90,223.94x = 135,066.27 × 54,577.39
  4. Step 4: Simplify right side
    90,223.94x = 7,371,564,493.64
  5. Step 5: Solve for x
    x = 7,371,564,493.64/90,223.94
  6. Step 6: Final answer
    x = 81,702.98

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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.