Home / 152,623.16-210,377.23-120,305.38

Finding the Fourth Proportional to 152,623.16, 210,377.23 and 120,305.38

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Solution

The fourth proportional to 152,623.16, 210,377.23 and 120,305.38 is: 165,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,623.16 : 210,377.23 = 120,305.38 : x
  2. Step 2: Convert to fraction form
    152,623.16/210,377.23 = 120,305.38/x
  3. Step 3: Cross multiply
    152,623.16x = 210,377.23 × 120,305.38
  4. Step 4: Simplify right side
    152,623.16x = 25,309,511,771.79
  5. Step 5: Solve for x
    x = 25,309,511,771.79/152,623.16
  6. Step 6: Final answer
    x = 165,830.08

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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.