Home / 152,972.22-229,125.60-73,920

Finding the Fourth Proportional to 152,972.22, 229,125.60 and 73,920

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Solution

The fourth proportional to 152,972.22, 229,125.60 and 73,920 is: 110,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,972.22 : 229,125.60 = 73,920 : x
  2. Step 2: Convert to fraction form
    152,972.22/229,125.60 = 73,920/x
  3. Step 3: Cross multiply
    152,972.22x = 229,125.60 × 73,920
  4. Step 4: Simplify right side
    152,972.22x = 16,936,964,352
  5. Step 5: Solve for x
    x = 16,936,964,352/152,972.22
  6. Step 6: Final answer
    x = 110,719.22

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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.