Home / 140,379.26-210,590.76-84,206.16

Finding the Fourth Proportional to 140,379.26, 210,590.76 and 84,206.16

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Solution

The fourth proportional to 140,379.26, 210,590.76 and 84,206.16 is: 126,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,379.26 : 210,590.76 = 84,206.16 : x
  2. Step 2: Convert to fraction form
    140,379.26/210,590.76 = 84,206.16/x
  3. Step 3: Cross multiply
    140,379.26x = 210,590.76 × 84,206.16
  4. Step 4: Simplify right side
    140,379.26x = 17,733,039,231.08
  5. Step 5: Solve for x
    x = 17,733,039,231.08/140,379.26
  6. Step 6: Final answer
    x = 126,322.36

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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.