Home / 239,253.76-330,167.55-137,295.26

Finding the Fourth Proportional to 239,253.76, 330,167.55 and 137,295.26

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Solution

The fourth proportional to 239,253.76, 330,167.55 and 137,295.26 is: 189,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,253.76 : 330,167.55 = 137,295.26 : x
  2. Step 2: Convert to fraction form
    239,253.76/330,167.55 = 137,295.26/x
  3. Step 3: Cross multiply
    239,253.76x = 330,167.55 × 137,295.26
  4. Step 4: Simplify right side
    239,253.76x = 45,330,439,620.81
  5. Step 5: Solve for x
    x = 45,330,439,620.81/239,253.76
  6. Step 6: Final answer
    x = 189,465.94

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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.