Home / 107,746.29-161,674.79-47,815.83

Finding the Fourth Proportional to 107,746.29, 161,674.79 and 47,815.83

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Solution

The fourth proportional to 107,746.29, 161,674.79 and 47,815.83 is: 71,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,746.29 : 161,674.79 = 47,815.83 : x
  2. Step 2: Convert to fraction form
    107,746.29/161,674.79 = 47,815.83/x
  3. Step 3: Cross multiply
    107,746.29x = 161,674.79 × 47,815.83
  4. Step 4: Simplify right side
    107,746.29x = 7,730,614,034.85
  5. Step 5: Solve for x
    x = 7,730,614,034.85/107,746.29
  6. Step 6: Final answer
    x = 71,748.31

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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.