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Finding the Fourth Proportional to 151,938.90, 227,908.35 and 73,206.90

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Solution

The fourth proportional to 151,938.90, 227,908.35 and 73,206.90 is: 109,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,938.90 : 227,908.35 = 73,206.90 : x
  2. Step 2: Convert to fraction form
    151,938.90/227,908.35 = 73,206.90/x
  3. Step 3: Cross multiply
    151,938.90x = 227,908.35 × 73,206.90
  4. Step 4: Simplify right side
    151,938.90x = 16,684,463,787.62
  5. Step 5: Solve for x
    x = 16,684,463,787.62/151,938.90
  6. Step 6: Final answer
    x = 109,810.35

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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.