Home / 91,383.18-137,005.29-63,228.39

Finding the Fourth Proportional to 91,383.18, 137,005.29 and 63,228.39

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Solution

The fourth proportional to 91,383.18, 137,005.29 and 63,228.39 is: 94,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,383.18 : 137,005.29 = 63,228.39 : x
  2. Step 2: Convert to fraction form
    91,383.18/137,005.29 = 63,228.39/x
  3. Step 3: Cross multiply
    91,383.18x = 137,005.29 × 63,228.39
  4. Step 4: Simplify right side
    91,383.18x = 8,662,623,908.18
  5. Step 5: Solve for x
    x = 8,662,623,908.18/91,383.18
  6. Step 6: Final answer
    x = 94,794.51

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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.