Home / 152,169.24-209,999.82-84,185.10

Finding the Fourth Proportional to 152,169.24, 209,999.82 and 84,185.10

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Solution

The fourth proportional to 152,169.24, 209,999.82 and 84,185.10 is: 116,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,169.24 : 209,999.82 = 84,185.10 : x
  2. Step 2: Convert to fraction form
    152,169.24/209,999.82 = 84,185.10/x
  3. Step 3: Cross multiply
    152,169.24x = 209,999.82 × 84,185.10
  4. Step 4: Simplify right side
    152,169.24x = 17,678,855,846.68
  5. Step 5: Solve for x
    x = 17,678,855,846.68/152,169.24
  6. Step 6: Final answer
    x = 116,178.91

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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.