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Finding the Fourth Proportional to 124,325.44, 186,306.72 and 61,910.08

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Solution

The fourth proportional to 124,325.44, 186,306.72 and 61,910.08 is: 92,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,325.44 : 186,306.72 = 61,910.08 : x
  2. Step 2: Convert to fraction form
    124,325.44/186,306.72 = 61,910.08/x
  3. Step 3: Cross multiply
    124,325.44x = 186,306.72 × 61,910.08
  4. Step 4: Simplify right side
    124,325.44x = 11,534,263,939.74
  5. Step 5: Solve for x
    x = 11,534,263,939.74/124,325.44
  6. Step 6: Final answer
    x = 92,774.77

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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.