Home / 209,700.06-314,599.77-91,392.54

Finding the Fourth Proportional to 209,700.06, 314,599.77 and 91,392.54

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Solution

The fourth proportional to 209,700.06, 314,599.77 and 91,392.54 is: 137,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,700.06 : 314,599.77 = 91,392.54 : x
  2. Step 2: Convert to fraction form
    209,700.06/314,599.77 = 91,392.54/x
  3. Step 3: Cross multiply
    209,700.06x = 314,599.77 × 91,392.54
  4. Step 4: Simplify right side
    209,700.06x = 28,752,072,063.72
  5. Step 5: Solve for x
    x = 28,752,072,063.72/209,700.06
  6. Step 6: Final answer
    x = 137,110.46

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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.