Home / 191,462.28-264,215.72-105,419.48

Finding the Fourth Proportional to 191,462.28, 264,215.72 and 105,419.48

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Solution

The fourth proportional to 191,462.28, 264,215.72 and 105,419.48 is: 145,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,462.28 : 264,215.72 = 105,419.48 : x
  2. Step 2: Convert to fraction form
    191,462.28/264,215.72 = 105,419.48/x
  3. Step 3: Cross multiply
    191,462.28x = 264,215.72 × 105,419.48
  4. Step 4: Simplify right side
    191,462.28x = 27,853,482,752.70
  5. Step 5: Solve for x
    x = 27,853,482,752.70/191,462.28
  6. Step 6: Final answer
    x = 145,477.65

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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.