Home / 107,798.45-161,733.66-47,818.65

Finding the Fourth Proportional to 107,798.45, 161,733.66 and 47,818.65

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Solution

The fourth proportional to 107,798.45, 161,733.66 and 47,818.65 is: 71,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,798.45 : 161,733.66 = 47,818.65 : x
  2. Step 2: Convert to fraction form
    107,798.45/161,733.66 = 47,818.65/x
  3. Step 3: Cross multiply
    107,798.45x = 161,733.66 × 47,818.65
  4. Step 4: Simplify right side
    107,798.45x = 7,733,885,280.76
  5. Step 5: Solve for x
    x = 7,733,885,280.76/107,798.45
  6. Step 6: Final answer
    x = 71,743.94

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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.