Home / 207,190.54-310,755.05-57,415.21

Finding the Fourth Proportional to 207,190.54, 310,755.05 and 57,415.21

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Solution

The fourth proportional to 207,190.54, 310,755.05 and 57,415.21 is: 86,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,190.54 : 310,755.05 = 57,415.21 : x
  2. Step 2: Convert to fraction form
    207,190.54/310,755.05 = 57,415.21/x
  3. Step 3: Cross multiply
    207,190.54x = 310,755.05 × 57,415.21
  4. Step 4: Simplify right side
    207,190.54x = 17,842,066,042.65
  5. Step 5: Solve for x
    x = 17,842,066,042.65/207,190.54
  6. Step 6: Final answer
    x = 86,114.29

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1.5x scale

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.