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Finding the Fourth Proportional to 135,963.00, 187,658.95 and 75,554.41

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Solution

The fourth proportional to 135,963.00, 187,658.95 and 75,554.41 is: 104,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,963.00 : 187,658.95 = 75,554.41 : x
  2. Step 2: Convert to fraction form
    135,963.00/187,658.95 = 75,554.41/x
  3. Step 3: Cross multiply
    135,963.00x = 187,658.95 × 75,554.41
  4. Step 4: Simplify right side
    135,963.00x = 14,178,461,248.47
  5. Step 5: Solve for x
    x = 14,178,461,248.47/135,963.00
  6. Step 6: Final answer
    x = 104,281.77

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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.