Home / 97,815.72-146,722.14-31,254.96

Finding the Fourth Proportional to 97,815.72, 146,722.14 and 31,254.96

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Solution

The fourth proportional to 97,815.72, 146,722.14 and 31,254.96 is: 46,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,815.72 : 146,722.14 = 31,254.96 : x
  2. Step 2: Convert to fraction form
    97,815.72/146,722.14 = 31,254.96/x
  3. Step 3: Cross multiply
    97,815.72x = 146,722.14 × 31,254.96
  4. Step 4: Simplify right side
    97,815.72x = 4,585,794,616.81
  5. Step 5: Solve for x
    x = 4,585,794,616.81/97,815.72
  6. Step 6: Final answer
    x = 46,881.98

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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.