Home / 97,815.12-146,666.41-52,166.51

Finding the Fourth Proportional to 97,815.12, 146,666.41 and 52,166.51

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Solution

The fourth proportional to 97,815.12, 146,666.41 and 52,166.51 is: 78,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,815.12 : 146,666.41 = 52,166.51 : x
  2. Step 2: Convert to fraction form
    97,815.12/146,666.41 = 52,166.51/x
  3. Step 3: Cross multiply
    97,815.12x = 146,666.41 × 52,166.51
  4. Step 4: Simplify right side
    97,815.12x = 7,651,074,743.93
  5. Step 5: Solve for x
    x = 7,651,074,743.93/97,815.12
  6. Step 6: Final answer
    x = 78,219.76

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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.