Home / 272,586.10-376,168.79-151,724.78

Finding the Fourth Proportional to 272,586.10, 376,168.79 and 151,724.78

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Solution

The fourth proportional to 272,586.10, 376,168.79 and 151,724.78 is: 209,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,586.10 : 376,168.79 = 151,724.78 : x
  2. Step 2: Convert to fraction form
    272,586.10/376,168.79 = 151,724.78/x
  3. Step 3: Cross multiply
    272,586.10x = 376,168.79 × 151,724.78
  4. Step 4: Simplify right side
    272,586.10x = 57,074,126,146.99
  5. Step 5: Solve for x
    x = 57,074,126,146.99/272,586.10
  6. Step 6: Final answer
    x = 209,380.18

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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.