Home / 152,215.72-210,057.96-84,235.57

Finding the Fourth Proportional to 152,215.72, 210,057.96 and 84,235.57

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Solution

The fourth proportional to 152,215.72, 210,057.96 and 84,235.57 is: 116,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,215.72 : 210,057.96 = 84,235.57 : x
  2. Step 2: Convert to fraction form
    152,215.72/210,057.96 = 84,235.57/x
  3. Step 3: Cross multiply
    152,215.72x = 210,057.96 × 84,235.57
  4. Step 4: Simplify right side
    152,215.72x = 17,694,351,993.64
  5. Step 5: Solve for x
    x = 17,694,351,993.64/152,215.72
  6. Step 6: Final answer
    x = 116,245.23

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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.