Home / 191,780.13-264,770.08-170,500.62

Finding the Fourth Proportional to 191,780.13, 264,770.08 and 170,500.62

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Solution

The fourth proportional to 191,780.13, 264,770.08 and 170,500.62 is: 235,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,780.13 : 264,770.08 = 170,500.62 : x
  2. Step 2: Convert to fraction form
    191,780.13/264,770.08 = 170,500.62/x
  3. Step 3: Cross multiply
    191,780.13x = 264,770.08 × 170,500.62
  4. Step 4: Simplify right side
    191,780.13x = 45,143,461,709.27
  5. Step 5: Solve for x
    x = 45,143,461,709.27/191,780.13
  6. Step 6: Final answer
    x = 235,391.76

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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.