Home / 140,309.64-210,457.62-51,556.32

Finding the Fourth Proportional to 140,309.64, 210,457.62 and 51,556.32

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Solution

The fourth proportional to 140,309.64, 210,457.62 and 51,556.32 is: 77,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,309.64 : 210,457.62 = 51,556.32 : x
  2. Step 2: Convert to fraction form
    140,309.64/210,457.62 = 51,556.32/x
  3. Step 3: Cross multiply
    140,309.64x = 210,457.62 × 51,556.32
  4. Step 4: Simplify right side
    140,309.64x = 10,850,420,403.16
  5. Step 5: Solve for x
    x = 10,850,420,403.16/140,309.64
  6. Step 6: Final answer
    x = 77,331.97

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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.