Home / 207,211.12-310,816.62-137,074.03

Finding the Fourth Proportional to 207,211.12, 310,816.62 and 137,074.03

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Solution

The fourth proportional to 207,211.12, 310,816.62 and 137,074.03 is: 205,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,211.12 : 310,816.62 = 137,074.03 : x
  2. Step 2: Convert to fraction form
    207,211.12/310,816.62 = 137,074.03/x
  3. Step 3: Cross multiply
    207,211.12x = 310,816.62 × 137,074.03
  4. Step 4: Simplify right side
    207,211.12x = 42,604,886,694.38
  5. Step 5: Solve for x
    x = 42,604,886,694.38/207,211.12
  6. Step 6: Final answer
    x = 205,611.01

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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.