Home / 207,184.31-310,776.46-137,047.22

Finding the Fourth Proportional to 207,184.31, 310,776.46 and 137,047.22

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Solution

The fourth proportional to 207,184.31, 310,776.46 and 137,047.22 is: 205,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,184.31 : 310,776.46 = 137,047.22 : x
  2. Step 2: Convert to fraction form
    207,184.31/310,776.46 = 137,047.22/x
  3. Step 3: Cross multiply
    207,184.31x = 310,776.46 × 137,047.22
  4. Step 4: Simplify right side
    207,184.31x = 42,591,047,987.94
  5. Step 5: Solve for x
    x = 42,591,047,987.94/207,184.31
  6. Step 6: Final answer
    x = 205,570.82

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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.