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Finding the Fourth Proportional to 191,957, 264,900.90 and 107,079.44

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Solution

The fourth proportional to 191,957, 264,900.90 and 107,079.44 is: 147,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,957 : 264,900.90 = 107,079.44 : x
  2. Step 2: Convert to fraction form
    191,957/264,900.90 = 107,079.44/x
  3. Step 3: Cross multiply
    191,957x = 264,900.90 × 107,079.44
  4. Step 4: Simplify right side
    191,957x = 28,365,440,027.50
  5. Step 5: Solve for x
    x = 28,365,440,027.50/191,957
  6. Step 6: Final answer
    x = 147,769.76

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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.