Home / 152,278.20-210,144.39-82,427.49

Finding the Fourth Proportional to 152,278.20, 210,144.39 and 82,427.49

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Solution

The fourth proportional to 152,278.20, 210,144.39 and 82,427.49 is: 113,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,278.20 : 210,144.39 = 82,427.49 : x
  2. Step 2: Convert to fraction form
    152,278.20/210,144.39 = 82,427.49/x
  3. Step 3: Cross multiply
    152,278.20x = 210,144.39 × 82,427.49
  4. Step 4: Simplify right side
    152,278.20x = 17,321,674,605.28
  5. Step 5: Solve for x
    x = 17,321,674,605.28/152,278.20
  6. Step 6: Final answer
    x = 113,750.19

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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.