Home / 162,156.78-243,235.16-82,182.29

Finding the Fourth Proportional to 162,156.78, 243,235.16 and 82,182.29

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Solution

The fourth proportional to 162,156.78, 243,235.16 and 82,182.29 is: 123,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,156.78 : 243,235.16 = 82,182.29 : x
  2. Step 2: Convert to fraction form
    162,156.78/243,235.16 = 82,182.29/x
  3. Step 3: Cross multiply
    162,156.78x = 243,235.16 × 82,182.29
  4. Step 4: Simplify right side
    162,156.78x = 19,989,623,344.80
  5. Step 5: Solve for x
    x = 19,989,623,344.80/162,156.78
  6. Step 6: Final answer
    x = 123,273.43

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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.