Home / 211,015.12-316,576.44-92,712.40

Finding the Fourth Proportional to 211,015.12, 316,576.44 and 92,712.40

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Solution

The fourth proportional to 211,015.12, 316,576.44 and 92,712.40 is: 139,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,015.12 : 316,576.44 = 92,712.40 : x
  2. Step 2: Convert to fraction form
    211,015.12/316,576.44 = 92,712.40/x
  3. Step 3: Cross multiply
    211,015.12x = 316,576.44 × 92,712.40
  4. Step 4: Simplify right side
    211,015.12x = 29,350,561,535.86
  5. Step 5: Solve for x
    x = 29,350,561,535.86/211,015.12
  6. Step 6: Final answer
    x = 139,092.22

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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.