Home / 239,259.49-330,185.57-137,303.60

Finding the Fourth Proportional to 239,259.49, 330,185.57 and 137,303.60

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Solution

The fourth proportional to 239,259.49, 330,185.57 and 137,303.60 is: 189,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,259.49 : 330,185.57 = 137,303.60 : x
  2. Step 2: Convert to fraction form
    239,259.49/330,185.57 = 137,303.60/x
  3. Step 3: Cross multiply
    239,259.49x = 330,185.57 × 137,303.60
  4. Step 4: Simplify right side
    239,259.49x = 45,335,667,429.05
  5. Step 5: Solve for x
    x = 45,335,667,429.05/239,259.49
  6. Step 6: Final answer
    x = 189,483.26

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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.