Home / 152,485.38-210,311.16-91,992.96

Finding the Fourth Proportional to 152,485.38, 210,311.16 and 91,992.96

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Solution

The fourth proportional to 152,485.38, 210,311.16 and 91,992.96 is: 126,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,485.38 : 210,311.16 = 91,992.96 : x
  2. Step 2: Convert to fraction form
    152,485.38/210,311.16 = 91,992.96/x
  3. Step 3: Cross multiply
    152,485.38x = 210,311.16 × 91,992.96
  4. Step 4: Simplify right side
    152,485.38x = 19,347,144,995.79
  5. Step 5: Solve for x
    x = 19,347,144,995.79/152,485.38
  6. Step 6: Final answer
    x = 126,878.69

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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.