Home / 211,156.39-316,669.02-76,202.92

Finding the Fourth Proportional to 211,156.39, 316,669.02 and 76,202.92

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Solution

The fourth proportional to 211,156.39, 316,669.02 and 76,202.92 is: 114,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,156.39 : 316,669.02 = 76,202.92 : x
  2. Step 2: Convert to fraction form
    211,156.39/316,669.02 = 76,202.92/x
  3. Step 3: Cross multiply
    211,156.39x = 316,669.02 × 76,202.92
  4. Step 4: Simplify right side
    211,156.39x = 24,131,103,997.54
  5. Step 5: Solve for x
    x = 24,131,103,997.54/211,156.39
  6. Step 6: Final answer
    x = 114,280.72

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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.