Home / 152,286.74-210,058.22-122,144.40

Finding the Fourth Proportional to 152,286.74, 210,058.22 and 122,144.40

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Solution

The fourth proportional to 152,286.74, 210,058.22 and 122,144.40 is: 168,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,286.74 : 210,058.22 = 122,144.40 : x
  2. Step 2: Convert to fraction form
    152,286.74/210,058.22 = 122,144.40/x
  3. Step 3: Cross multiply
    152,286.74x = 210,058.22 × 122,144.40
  4. Step 4: Simplify right side
    152,286.74x = 25,657,435,246.97
  5. Step 5: Solve for x
    x = 25,657,435,246.97/152,286.74
  6. Step 6: Final answer
    x = 168,481.09

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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.