Home / 104,971.80-157,410.32-30,074.81

Finding the Fourth Proportional to 104,971.80, 157,410.32 and 30,074.81

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Solution

The fourth proportional to 104,971.80, 157,410.32 and 30,074.81 is: 45,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,971.80 : 157,410.32 = 30,074.81 : x
  2. Step 2: Convert to fraction form
    104,971.80/157,410.32 = 30,074.81/x
  3. Step 3: Cross multiply
    104,971.80x = 157,410.32 × 30,074.81
  4. Step 4: Simplify right side
    104,971.80x = 4,734,084,528.61
  5. Step 5: Solve for x
    x = 4,734,084,528.61/104,971.80
  6. Step 6: Final answer
    x = 45,098.63

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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.