Home / 207,027.04-310,540.38-66,785.65

Finding the Fourth Proportional to 207,027.04, 310,540.38 and 66,785.65

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Solution

The fourth proportional to 207,027.04, 310,540.38 and 66,785.65 is: 100,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,027.04 : 310,540.38 = 66,785.65 : x
  2. Step 2: Convert to fraction form
    207,027.04/310,540.38 = 66,785.65/x
  3. Step 3: Cross multiply
    207,027.04x = 310,540.38 × 66,785.65
  4. Step 4: Simplify right side
    207,027.04x = 20,739,641,129.55
  5. Step 5: Solve for x
    x = 20,739,641,129.55/207,027.04
  6. Step 6: Final answer
    x = 100,178.42

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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.