Home / 239,262.32-330,178.48-137,285.55

Finding the Fourth Proportional to 239,262.32, 330,178.48 and 137,285.55

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Solution

The fourth proportional to 239,262.32, 330,178.48 and 137,285.55 is: 189,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,262.32 : 330,178.48 = 137,285.55 : x
  2. Step 2: Convert to fraction form
    239,262.32/330,178.48 = 137,285.55/x
  3. Step 3: Cross multiply
    239,262.32x = 330,178.48 × 137,285.55
  4. Step 4: Simplify right side
    239,262.32x = 45,328,733,881.75
  5. Step 5: Solve for x
    x = 45,328,733,881.75/239,262.32
  6. Step 6: Final answer
    x = 189,452.03

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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.