Home / 239,210.30-330,087.48-137,244.16

Finding the Fourth Proportional to 239,210.30, 330,087.48 and 137,244.16

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Solution

The fourth proportional to 239,210.30, 330,087.48 and 137,244.16 is: 189,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,210.30 : 330,087.48 = 137,244.16 : x
  2. Step 2: Convert to fraction form
    239,210.30/330,087.48 = 137,244.16/x
  3. Step 3: Cross multiply
    239,210.30x = 330,087.48 × 137,244.16
  4. Step 4: Simplify right side
    239,210.30x = 45,302,578,919.12
  5. Step 5: Solve for x
    x = 45,302,578,919.12/239,210.30
  6. Step 6: Final answer
    x = 189,383.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.