Home / 151,705.05-227,502.90-76,800.30

Finding the Fourth Proportional to 151,705.05, 227,502.90 and 76,800.30

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Solution

The fourth proportional to 151,705.05, 227,502.90 and 76,800.30 is: 115,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,705.05 : 227,502.90 = 76,800.30 : x
  2. Step 2: Convert to fraction form
    151,705.05/227,502.90 = 76,800.30/x
  3. Step 3: Cross multiply
    151,705.05x = 227,502.90 × 76,800.30
  4. Step 4: Simplify right side
    151,705.05x = 17,472,290,970.87
  5. Step 5: Solve for x
    x = 17,472,290,970.87/151,705.05
  6. Step 6: Final answer
    x = 115,172.77

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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.