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Finding the Fourth Proportional to 149,378.52, 223,894.44 and 60,521.52

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Solution

The fourth proportional to 149,378.52, 223,894.44 and 60,521.52 is: 90,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,378.52 : 223,894.44 = 60,521.52 : x
  2. Step 2: Convert to fraction form
    149,378.52/223,894.44 = 60,521.52/x
  3. Step 3: Cross multiply
    149,378.52x = 223,894.44 × 60,521.52
  4. Step 4: Simplify right side
    149,378.52x = 13,550,431,828.35
  5. Step 5: Solve for x
    x = 13,550,431,828.35/149,378.52
  6. Step 6: Final answer
    x = 90,712.05

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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.