Home / 191,921.80-287,882.70-151,832.20

Finding the Fourth Proportional to 191,921.80, 287,882.70 and 151,832.20

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Solution

The fourth proportional to 191,921.80, 287,882.70 and 151,832.20 is: 227,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,921.80 : 287,882.70 = 151,832.20 : x
  2. Step 2: Convert to fraction form
    191,921.80/287,882.70 = 151,832.20/x
  3. Step 3: Cross multiply
    191,921.80x = 287,882.70 × 151,832.20
  4. Step 4: Simplify right side
    191,921.80x = 43,709,863,682.94
  5. Step 5: Solve for x
    x = 43,709,863,682.94/191,921.80
  6. Step 6: Final answer
    x = 227,748.30

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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.