Home / 272,520.90-376,076.07-151,660.13

Finding the Fourth Proportional to 272,520.90, 376,076.07 and 151,660.13

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Solution

The fourth proportional to 272,520.90, 376,076.07 and 151,660.13 is: 209,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,520.90 : 376,076.07 = 151,660.13 : x
  2. Step 2: Convert to fraction form
    272,520.90/376,076.07 = 151,660.13/x
  3. Step 3: Cross multiply
    272,520.90x = 376,076.07 × 151,660.13
  4. Step 4: Simplify right side
    272,520.90x = 57,035,743,785.71
  5. Step 5: Solve for x
    x = 57,035,743,785.71/272,520.90
  6. Step 6: Final answer
    x = 209,289.43

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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.