Home / 239,516.36-330,518.58-137,518.28

Finding the Fourth Proportional to 239,516.36, 330,518.58 and 137,518.28

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Solution

The fourth proportional to 239,516.36, 330,518.58 and 137,518.28 is: 189,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,516.36 : 330,518.58 = 137,518.28 : x
  2. Step 2: Convert to fraction form
    239,516.36/330,518.58 = 137,518.28/x
  3. Step 3: Cross multiply
    239,516.36x = 330,518.58 × 137,518.28
  4. Step 4: Simplify right side
    239,516.36x = 45,452,346,629.64
  5. Step 5: Solve for x
    x = 45,452,346,629.64/239,516.36
  6. Step 6: Final answer
    x = 189,767.19

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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.