Home / 211,767.30-292,254.21-140,022.90

Finding the Fourth Proportional to 211,767.30, 292,254.21 and 140,022.90

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Solution

The fourth proportional to 211,767.30, 292,254.21 and 140,022.90 is: 193,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,767.30 : 292,254.21 = 140,022.90 : x
  2. Step 2: Convert to fraction form
    211,767.30/292,254.21 = 140,022.90/x
  3. Step 3: Cross multiply
    211,767.30x = 292,254.21 × 140,022.90
  4. Step 4: Simplify right side
    211,767.30x = 40,922,282,021.41
  5. Step 5: Solve for x
    x = 40,922,282,021.41/211,767.30
  6. Step 6: Final answer
    x = 193,241.74

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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.