Home / 191,749.75-264,615.96-106,872.28

Finding the Fourth Proportional to 191,749.75, 264,615.96 and 106,872.28

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Solution

The fourth proportional to 191,749.75, 264,615.96 and 106,872.28 is: 147,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,749.75 : 264,615.96 = 106,872.28 : x
  2. Step 2: Convert to fraction form
    191,749.75/264,615.96 = 106,872.28/x
  3. Step 3: Cross multiply
    191,749.75x = 264,615.96 × 106,872.28
  4. Step 4: Simplify right side
    191,749.75x = 28,280,110,708.82
  5. Step 5: Solve for x
    x = 28,280,110,708.82/191,749.75
  6. Step 6: Final answer
    x = 147,484.47

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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.