Home / 207,228.28-310,842.40-137,091.18

Finding the Fourth Proportional to 207,228.28, 310,842.40 and 137,091.18

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Solution

The fourth proportional to 207,228.28, 310,842.40 and 137,091.18 is: 205,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,228.28 : 310,842.40 = 137,091.18 : x
  2. Step 2: Convert to fraction form
    207,228.28/310,842.40 = 137,091.18/x
  3. Step 3: Cross multiply
    207,228.28x = 310,842.40 × 137,091.18
  4. Step 4: Simplify right side
    207,228.28x = 42,613,751,410.03
  5. Step 5: Solve for x
    x = 42,613,751,410.03/207,228.28
  6. Step 6: Final answer
    x = 205,636.76

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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.