Home / 210,033.20-314,967.90-91,623.80

Finding the Fourth Proportional to 210,033.20, 314,967.90 and 91,623.80

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Solution

The fourth proportional to 210,033.20, 314,967.90 and 91,623.80 is: 137,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,033.20 : 314,967.90 = 91,623.80 : x
  2. Step 2: Convert to fraction form
    210,033.20/314,967.90 = 91,623.80/x
  3. Step 3: Cross multiply
    210,033.20x = 314,967.90 × 91,623.80
  4. Step 4: Simplify right side
    210,033.20x = 28,858,555,876.02
  5. Step 5: Solve for x
    x = 28,858,555,876.02/210,033.20
  6. Step 6: Final answer
    x = 137,399.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.