Home / 97,998.24-146,989.38-31,420.44

Finding the Fourth Proportional to 97,998.24, 146,989.38 and 31,420.44

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Solution

The fourth proportional to 97,998.24, 146,989.38 and 31,420.44 is: 47,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,998.24 : 146,989.38 = 31,420.44 : x
  2. Step 2: Convert to fraction form
    97,998.24/146,989.38 = 31,420.44/x
  3. Step 3: Cross multiply
    97,998.24x = 146,989.38 × 31,420.44
  4. Step 4: Simplify right side
    97,998.24x = 4,618,470,994.93
  5. Step 5: Solve for x
    x = 4,618,470,994.93/97,998.24
  6. Step 6: Final answer
    x = 47,128.10

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1.5x scale

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.