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Finding the Fourth Proportional to 124.77, 187.37 and 93.93

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Solution

The fourth proportional to 124.77, 187.37 and 93.93 is: 141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.77 : 187.37 = 93.93 : x
  2. Step 2: Convert to fraction form
    124.77/187.37 = 93.93/x
  3. Step 3: Cross multiply
    124.77x = 187.37 × 93.93
  4. Step 4: Simplify right side
    124.77x = 17,599.66
  5. Step 5: Solve for x
    x = 17,599.66/124.77
  6. Step 6: Final answer
    x = 141.06

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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.