Home / 247,736.32-371,478.66-105,526.60

Finding the Fourth Proportional to 247,736.32, 371,478.66 and 105,526.60

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Solution

The fourth proportional to 247,736.32, 371,478.66 and 105,526.60 is: 158,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,736.32 : 371,478.66 = 105,526.60 : x
  2. Step 2: Convert to fraction form
    247,736.32/371,478.66 = 105,526.60/x
  3. Step 3: Cross multiply
    247,736.32x = 371,478.66 × 105,526.60
  4. Step 4: Simplify right side
    247,736.32x = 39,200,879,962.36
  5. Step 5: Solve for x
    x = 39,200,879,962.36/247,736.32
  6. Step 6: Final answer
    x = 158,236.31

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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.