Home / 155,734.50-233,630.91-72,628.50

Finding the Fourth Proportional to 155,734.50, 233,630.91 and 72,628.50

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Solution

The fourth proportional to 155,734.50, 233,630.91 and 72,628.50 is: 108,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,734.50 : 233,630.91 = 72,628.50 : x
  2. Step 2: Convert to fraction form
    155,734.50/233,630.91 = 72,628.50/x
  3. Step 3: Cross multiply
    155,734.50x = 233,630.91 × 72,628.50
  4. Step 4: Simplify right side
    155,734.50x = 16,968,262,546.94
  5. Step 5: Solve for x
    x = 16,968,262,546.94/155,734.50
  6. Step 6: Final answer
    x = 108,956.35

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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.